{"title":"MINI AMPLIFICADOR","description":"\u003ch5 style=\"text-align: left;\"\u003e\n\u003cstrong\u003e. \u003c\/strong\u003e\u003cstrong\u003eCANAL MONO\u003c\/strong\u003e\n\u003c\/h5\u003e\n\u003ch5 style=\"text-align: left;\"\u003e\u003cstrong\u003e. 2 CANAIS\u003c\/strong\u003e\u003c\/h5\u003e\n\u003ch5 style=\"text-align: left;\"\u003e\u003cstrong\u003e. 4 CANAIS\u003c\/strong\u003e\u003c\/h5\u003e","products":[{"product_id":"sp-300-2-mini-amplifier","title":"SP-300.2 MINI — AMPLIFICADOR DE 2 CANAIS CLASSE D 300W RMS x2","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .vids,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .vids figure{margin:0 auto 16px;max-width:430px}.sp4 .vids video{display:block;width:100%;height:auto;background:#0B0B0B;border:1px solid #262626;border-radius:10px}.sp4 .vids figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:9px 2px 0;text-align:center}.sp4 .vids figcaption b{color:#E8560F}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .swipe,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}.sp4 .swipe figure{flex:0 0 330px;max-width:330px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eCONCEBIDO EM ITÁLIA\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003e2 canais · classe D · série mini\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e300 watts RMS\u003cbr\u003e\u003cem\u003epor canal.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eDois canais para a frente — ou um canal em ponte a 940 W RMS para um subwoofer. O crossover está incorporado, por isso funciona com uma autorrádio de série e com um DSP. Concebido em Itália, verificado com instrumentos Audio Precision antes de sair da linha.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_949077de-1083-44c7-b06a-59ef63995101.png?v=1790162751\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_949077de-1083-44c7-b06a-59ef63995101.png?v=1790162751\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_949077de-1083-44c7-b06a-59ef63995101.png?v=1790162751\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_949077de-1083-44c7-b06a-59ef63995101.png?v=1790162751\u0026amp;width=900 900w\" sizes=\"(max-width: 640px) 92vw, 660px\" alt=\"Amplificador de 2 canais SP-300.2 MINI apresentado numa loja de car audio SP Audio\" width=\"760\" height=\"555\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e300\u003ci\u003eW ×2\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω STEREO\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e450\u003ci\u003eW ×2\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 2 Ω STEREO\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e940\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω EM PONTE\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003eVeja-o\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vids\"\u003e\n\u003cfigure\u003e\u003cvideo controls=\"controls\" preload=\"none\" playsinline=\"\" poster=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-mini-amplifiers-video-en-poster.jpg?width=520\" width=\"1080\" height=\"1920\"\u003e\u003csource src=\"https:\/\/cdn.shopify.com\/videos\/c\/vp\/3f5dccb8618546cdbaeed5141609208e\/3f5dccb8618546cdbaeed5141609208e.HD-720p-1.6Mbps-93859211.mp4\" type=\"video\/mp4\"\u003eO seu navegador não consegue reproduzir este vídeo.\u003c\/source\u003e\u003c\/video\u003e\n\u003cfigcaption\u003e\u003cb\u003eOs amplificadores MINI explicados\u003c\/b\u003e · 68 segundos · com som · showroom SP Audio\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eEnvio gratuito\u003c\/span\u003e\u003cspan\u003eExpedido de Itália em 24–48 horas úteis\u003c\/span\u003e\u003cspan\u003eGarantia contra defeitos de fabrico\u003c\/span\u003e\u003cspan\u003eApoio técnico gratuito a partir de Itália\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Pagamento seguro · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 dias para mudar de ideias (UE)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Fatura de uma empresa italiana\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 12px;\"\u003e▶ NADA É TRANSFERIDO ATÉ PRESSIONAR PLAY\u003c\/p\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e DESIGN ITALIANO\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e VERIFICADO COM AUDIO PRECISION\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e INSTALAÇÃO FÁCIL\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e APOIO GRATUITO\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ESTOJO DE MADEIRA\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003ePotência medida, não prometida\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eESTÉREO · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 64%;\"\u003e2 × 300 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eESTÉREO · 2 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 96%;\"\u003e2 × 450 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eEM PONTE · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e1 × 940 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003eRMS @ 14.4 V · ≤ 1% THD+N · POTÊNCIA CONTÍNUA, NÃO DE PICO · CARGA MÍNIMA 2 Ω ESTÉREO, 4 Ω EM PONTE\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003ePorque este amplificador\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eDois canais, ou um grande\u003c\/b\u003e\n\u003cp\u003eEstéreo para um par de altifalantes, ou mono em ponte a 940 W RMS para um subwoofer de 4 ohm. Um amplificador cobre as duas funções e decide-se na instalação, com o guia de ligação em ponte impresso no painel de terminais.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eCabe onde os outros não cabem\u003c\/b\u003e\n\u003cp\u003e230 × 112 × 46 mm. Debaixo de um banco, atrás de um painel lateral, num piso falso: a bagageira continua utilizável e as passagens de cabo ficam curtas.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eUm crossover completo incorporado\u003c\/b\u003e\n\u003cp\u003ePassa-alto, passa-baixo ou desligado, ambos variáveis entre 50 e 250 Hz, mais bass boost de 0 a +12 dB. Altifalantes de porta filtrados em alta ou um subwoofer filtrado em baixa, sem necessidade de comprar um crossover externo.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eAceita qualquer fonte\u003c\/b\u003e\n\u003cp\u003eSensibilidade de entrada 200 mV – 6 V, e continua a funcionar a partir de 100 mV. Autorrádios de saída alta e processadores DSP alimentam-no sem cortar a entrada; fontes de série de baixo nível também estão cobertas.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Apenas RMS contínuo. Sem pico, sem burst, sem watts de marketing.”\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eMANUAL PROFISSIONAL DO UTILIZADOR · 27 PÁGINAS\u003c\/div\u003e\n\u003cp\u003eInstalação elétrica, cargas e impedância, filtros, calibração de ganho e as especificações completas.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SP-300.2-MINI-user-manual-EN.pdf?v=1788876906\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Transferir o manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eInglês · Rev. 1.0 · setembro de 2026 · 3.7 MB\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eNão é uma caixa qualquer. É um estojo.\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eMadeira preta, fecho metálico, pinho por dentro.\u003c\/b\u003e\n\u003cp\u003eO SP-300.2 MINI chega num estojo de madeira preto com a marca SP e o tricolor na tampa. Uma proteção rígida durante o transporte, e depois a forma mais segura de guardar ou transportar o amplificador — um estojo que se guarda.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eNo estojo:\u003c\/b\u003e amplificador · estojo de madeira de coleção · manual do utilizador impresso.\u003cbr\u003e\u003cb\u003eNão incluído:\u003c\/b\u003e cabo de alimentação e de altifalante, porta-fusível em linha e cabo RCA — são materiais de instalação, escolhidos conforme o seu veículo.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ph\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_999b5b3e-7fdd-44e2-975e-b2cc9e5fd00f.jpg?v=1790162751\u0026amp;width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_999b5b3e-7fdd-44e2-975e-b2cc9e5fd00f.jpg?v=1790162751\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_999b5b3e-7fdd-44e2-975e-b2cc9e5fd00f.jpg?v=1790162751\u0026amp;width=560 560w\" sizes=\"(max-width: 640px) 92vw, 340px\" alt=\"SP-300.2 MINI com o seu estojo de madeira de coleção preto e manual impresso numa bancada de trabalho\" width=\"560\" height=\"560\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eEspecificações técnicas\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOTÊNCIA DE SAÍDA — RMS @ 14.4 V, ≤ 1% THD+N\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEstéreo 4 ohm\u003c\/td\u003e\n\u003ctd\u003e2 × 300 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEstéreo 2 ohm\u003c\/td\u003e\n\u003ctd\u003e2 × 450 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMono em ponte 4 ohm\u003c\/td\u003e\n\u003ctd\u003e1 × 940 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarga mínima, estéreo\u003c\/td\u003e\n\u003ctd\u003e2 ohm por canal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarga mínima, em ponte\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eÁUDIO\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTopologia\u003c\/td\u003e\n\u003ctd\u003eClasse D, 2 canais\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResposta em frequência\u003c\/td\u003e\n\u003ctd\u003e10 Hz – 50 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelação sinal-ruído\u003c\/td\u003e\n\u003ctd\u003e≥ 90 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensibilidade de entrada\u003c\/td\u003e\n\u003ctd\u003e200 mV – 6 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNível mínimo da fonte\u003c\/td\u003e\n\u003ctd\u003e100 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEntradas\u003c\/td\u003e\n\u003ctd\u003eRCA de baixo nível, CH1 \/ CH2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eFILTROS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModos de filtro\u003c\/td\u003e\n\u003ctd\u003eHPF · LPF · OFF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiltro passa-alto\u003c\/td\u003e\n\u003ctd\u003e50 – 250 Hz, variável\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiltro passa-baixo\u003c\/td\u003e\n\u003ctd\u003e50 – 250 Hz, variável\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBass boost\u003c\/td\u003e\n\u003ctd\u003e0 – +12 dB, variável\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eALIMENTAÇÃO E PROTEÇÃO\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlimentação\u003c\/td\u003e\n\u003ctd\u003e12 V massa negativa, 14.4 V nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLigação remota\u003c\/td\u003e\n\u003ctd\u003e+12 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFusíveis incorporados\u003c\/td\u003e\n\u003ctd\u003e2 × 30 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFusível em linha recomendado\u003c\/td\u003e\n\u003ctd\u003e60 A, ≤ 20 cm da bateria\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCabo recomendado\u003c\/td\u003e\n\u003ctd\u003e4 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProteções\u003c\/td\u003e\n\u003ctd\u003eCurto-circuito, térmica, tensão\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndicadores\u003c\/td\u003e\n\u003ctd\u003ePOWER (verde) · PROTECT (vermelho)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMECÂNICA E QUALIDADE\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensões C × L × A\u003c\/td\u003e\n\u003ctd\u003e230 × 112 × 46 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePontos de fixação\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstrução\u003c\/td\u003e\n\u003ctd\u003eAlumínio, aletas dissipadoras de calor, proteções de borracha\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminais\u003c\/td\u003e\n\u003ctd\u003eInserção direta, grampo de parafuso\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCB\u003c\/td\u003e\n\u003ctd\u003e2 camadas, tecnologia de montagem superficial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVerificação\u003c\/td\u003e\n\u003ctd\u003eControlo de qualidade Audio Precision\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmbalagem\u003c\/td\u003e\n\u003ctd\u003eEstojo de madeira de coleção\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eDADOS DE LABORATÓRIO DO FABRICANTE · OS VALORES DE PICO OU “BURST” USADOS EM ALGUNS MERCADOS NÃO SÃO RMS E NÃO SÃO INDICADOS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eComplete o sistema\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/pt\/products\/sp-6-5kit-componet-set\"\u003e\u003csmall\u003eFRENTE · KIT 2 VIAS\u003c\/small\u003e\u003cstrong\u003eSP 6.5 KIT — 180 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/pt\/products\/sp-6-5cx-coaxial-speaker\"\u003e\u003csmall\u003eREFORÇO TRASEIRO · PAR COAXIAL\u003c\/small\u003e\u003cstrong\u003eSP 6.5CX — 150 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/pt\/products\/sp-4awg-100-ofc-32mm2-red\"\u003e\u003csmall\u003eCABO RECOMENDADO\u003c\/small\u003e\u003cstrong\u003eSP 4GA RED 100% OFC\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/pt\/products\/sp-afs-01-fuseholder-mini-anl-1x4ga-8ga-in-1x4-8-ga-out\"\u003e\u003csmall\u003ePROTEÇÃO DE LINHA\u003c\/small\u003e\u003cstrong\u003eSP AFS4 4 GA fuse holder\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eAntes de instalar\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eFusível principal em linha a menos de 20 cm da bateria\u003c\/b\u003e, 60 A recomendado e dimensionado ao cabo. O amplificador tem 2 × 30 A incorporados, mas o percurso desde a bateria também tem de ser protegido.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRespeite a carga mínima: 2 ohm por canal em estéreo, 4 ohm em ponte.\u003c\/b\u003e Uma impedância mais baixa aciona a proteção e, se acontecer repetidamente, danifica o estágio de saída.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMantenha as aletas livres.\u003c\/b\u003e As aletas de alumínio são todo o sistema de arrefecimento: nunca cubra o amplificador com alcatifa, bagagem ou espuma.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApenas sistemas de 12 V\u003c\/b\u003e, massa negativa. Recomenda-se instalação profissional: danos causados por instalação incorreta não são cobertos pela garantia.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e08\u003c\/u\u003e\n\u003ch3\u003eO que perguntam os instaladores\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eConsegue alimentar um subwoofer?\u003c\/b\u003eSim, mono em ponte: 940 W RMS para uma carga de 4 ohm. Envie o mesmo sinal para as duas entradas RCA, ligue o subwoofer entre CH1 (+) e CH2 (−) e defina o FILTER para LPF.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eQue impedância de altifalante posso usar?\u003c\/b\u003eMínimo de 2 ohm por canal em estéreo, mínimo de 4 ohm em ponte. Qualquer valor mais baixo aciona a proteção.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eQue cabo e que fusível preciso?\u003c\/b\u003eCabo de alimentação e massa 4 AWG, um fusível em linha de 60 A a menos de 20 cm da bateria, dimensionado ao cabo, e um ponto de massa em metal nu.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eFunciona com uma autorrádio de série?\u003c\/b\u003eSim. A sensibilidade de entrada vai de 200 mV a 6 V e continua a funcionar a partir de 100 mV, por isso uma fonte de série de baixo nível é suficiente. Ajuste o nível de entrada com o procedimento de ganho descrito no manual.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eVem com manual?\u003c\/b\u003eSim: um manual impresso dentro do estojo de madeira, mais o PDF de 27 páginas acima com os diagramas de ligação, as regulações de filtro e a calibração de ganho.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eApoio técnico gratuito a partir de Itália.\u003c\/b\u003e Escreva ou ligue e uma pessoa responde, com os dados reais das fichas técnicas. Diga-nos o que quer construir — impedância, potência, litros da caixa, pontos de crossover — e ajudamo-lo a escolher.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 340 807 8778\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eMétodos de pagamento aceites\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Concebido em Itália pela Audiocar Import \u0026amp; Export SRLS, Milão, distribuidor oficial SP Audio para a Europa.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"O SP-300.2 MINI consegue alimentar um subwoofer?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sim, mono em ponte: 940 W RMS para uma carga de 4 ohm. Envie o mesmo sinal para as duas entradas RCA, ligue o subwoofer entre CH1 (+) e CH2 (-) e defina o FILTER para LPF.\"}},{\"@type\":\"Question\",\"name\":\"Que impedância de altifalante posso usar com o SP-300.2 MINI?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Mínimo de 2 ohm por canal em estéreo, mínimo de 4 ohm em ponte. Qualquer valor mais baixo aciona a proteção.\"}},{\"@type\":\"Question\",\"name\":\"Que cabo e que fusível precisa o SP-300.2 MINI?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cabo de alimentação e massa 4 AWG, um fusível em linha de 60 A a menos de 20 cm da bateria, dimensionado ao cabo, e um ponto de massa em metal nu. O amplificador tem 2 fusíveis de 30 A incorporados.\"}},{\"@type\":\"Question\",\"name\":\"O SP-300.2 MINI funciona com uma autorrádio de série?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sim. A sensibilidade de entrada vai de 200 mV a 6 V e continua a funcionar a partir de 100 mV, por isso uma fonte de série de baixo nível é suficiente.\"}},{\"@type\":\"Question\",\"name\":\"Qual é o tamanho do SP-300.2 MINI?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"230 x 112 x 46 mm, com 4 pontos de fixação e as aletas de alumínio livres para o ar.\"}}]}\u003c\/script\u003e \u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"VideoObject\",\"name\":\"Os amplificadores MINI SP Audio explicados - SP-300.2 MINI, 300 W RMS x2\",\"description\":\"Um técnico da SP Audio apresenta a gama de amplificadores MINI no showroom SP Audio: SP-300.2 MINI (300 W x2 a 4 ohm, 450 W x2 a 2 ohm), SP-1500.1 MINI (600 W a 4 ohm, 1000 W a 2 ohm, 1500 W a 1 ohm), o estojo de madeira de coleção e instalações reais em automóveis.\",\"thumbnailUrl\":\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-mini-amplifiers-video-en-poster.jpg\",\"uploadDate\":\"2026-09-09\",\"duration\":\"PT1M8S\",\"contentUrl\":\"https:\/\/cdn.shopify.com\/videos\/c\/vp\/3f5dccb8618546cdbaeed5141609208e\/3f5dccb8618546cdbaeed5141609208e.HD-720p-1.6Mbps-93859211.mp4\",\"embedUrl\":\"https:\/\/spaudio.it\/products\/sp-300-2-mini-amplifier\",\"publisher\":{\"@type\":\"Organization\",\"name\":\"SP Audio - Audiocar Import \u0026 Export SRLS\"}}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"spaudio","offers":[{"title":"Default Title","offer_id":52810206413143,"sku":"92002","price":182.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/1_199f46d2-84fc-42f2-a99c-4719681dafbc.webp?v=1775451986"},{"product_id":"sp-300-4-mini-amplifier","title":"SP-300.4 MINI — AMPLIFICADOR DE 4 CANAIS CLASSE D 300W RMS x4","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .vids,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .vids figure{margin:0 auto 16px;max-width:430px}.sp4 .vids video{display:block;width:100%;height:auto;background:#0B0B0B;border:1px solid #262626;border-radius:10px}.sp4 .vids figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:9px 2px 0;text-align:center}.sp4 .vids figcaption b{color:#E8560F}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .swipe,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}.sp4 .swipe figure{flex:0 0 330px;max-width:330px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eCONCEBIDO EM ITÁLIA\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003e4 canais · classe D · série mini\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e300 watts RMS\u003cbr\u003e\u003cem\u003e× quatro.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eQuatro canais para um sistema completo: frente e trás, ou dois altifalantes mais um subwoofer em ponte. Dois blocos de filtro independentes e dois níveis de entrada, para que cada par faça a sua função. Concebido em Itália, verificado com instrumentos Audio Precision antes de sair da linha.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_5bca59ec-5f53-48d7-bd94-b90c07abf3d4.jpg?v=1790163202\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_5bca59ec-5f53-48d7-bd94-b90c07abf3d4.jpg?v=1790163202\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_5bca59ec-5f53-48d7-bd94-b90c07abf3d4.jpg?v=1790163202\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_5bca59ec-5f53-48d7-bd94-b90c07abf3d4.jpg?v=1790163202\u0026amp;width=900 900w\" sizes=\"(max-width: 640px) 92vw, 660px\" alt=\"Amplificador de 4 canais SP-300.4 MINI segurado num stand de exposição de car audio SP Audio\" width=\"760\" height=\"977\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e300\u003ci\u003eW ×4\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e400\u003ci\u003eW ×4\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 2 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e900\u003ci\u003eW ×2\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω EM PONTE\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003eVeja-o\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vids\"\u003e\n\u003cfigure\u003e\u003cvideo controls=\"controls\" preload=\"none\" playsinline=\"\" poster=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-mini-amplifiers-video-en-poster.jpg?width=520\" width=\"1080\" height=\"1920\"\u003e\u003csource src=\"https:\/\/cdn.shopify.com\/videos\/c\/vp\/3f5dccb8618546cdbaeed5141609208e\/3f5dccb8618546cdbaeed5141609208e.HD-720p-1.6Mbps-93859211.mp4\" type=\"video\/mp4\"\u003eO seu navegador não consegue reproduzir este vídeo.\u003c\/source\u003e\u003c\/video\u003e\n\u003cfigcaption\u003e\u003cb\u003eOs amplificadores MINI explicados\u003c\/b\u003e · 68 segundos · com som · showroom SP Audio\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eEnvio gratuito\u003c\/span\u003e\u003cspan\u003eExpedido de Itália em 24–48 horas úteis\u003c\/span\u003e\u003cspan\u003eGarantia contra defeitos de fabrico\u003c\/span\u003e\u003cspan\u003eApoio técnico gratuito a partir de Itália\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Pagamento seguro · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 dias para mudar de ideias (UE)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Fatura de uma empresa italiana\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 12px;\"\u003e▶ NADA É TRANSFERIDO ATÉ PRESSIONAR PLAY\u003c\/p\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e DESIGN ITALIANO\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e VERIFICADO COM AUDIO PRECISION\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e INSTALAÇÃO FÁCIL\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e APOIO GRATUITO\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ESTOJO DE MADEIRA\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003ePotência medida, não prometida\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003e4 CANAIS · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 67%;\"\u003e4 × 300 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003e4 CANAIS · 2 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 89%;\"\u003e4 × 400 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eEM PONTE · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e2 × 900 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003eRMS @ 14.4 V · ≤ 1% THD+N · POTÊNCIA CONTÍNUA, NÃO DE PICO · CARGA MÍNIMA 2 Ω POR CANAL, 4 Ω EM PONTE\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003ePorque este amplificador\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eQuatro canais, uma caixa\u003c\/b\u003e\n\u003cp\u003eFrente e trás a partir de um único amplificador, ou dois altifalantes mais um subwoofer num par em ponte. Ligue em ponte CH1 com CH2, ou CH3 com CH4 — o guia está impresso no painel de terminais.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eDois blocos de filtro, dois ganhos\u003c\/b\u003e\n\u003cp\u003eCH1\/CH2 passa-alto ou desligado; CH3\/CH4 desligado, passa-baixo ou passa-alto. Ambos variáveis entre 50 e 250 Hz, cada par com o seu próprio nível de entrada: altifalantes de porta filtrados em alta e um subwoofer filtrado em baixa, a partir do mesmo amplificador.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eCabe onde os outros não cabem\u003c\/b\u003e\n\u003cp\u003e310 × 112 × 46 mm e apenas 46 mm de altura. Debaixo de um banco ou num piso falso, com a bagageira ainda utilizável e as passagens de cabo curtas.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eProtegido, mas o fusível é por sua conta\u003c\/b\u003e\n\u003cp\u003eProteção contra curto-circuito, térmica e de tensão, com diagnóstico por LED. Este modelo não tem fusível incorporado, por isso o fusível externo de 125 A não é opcional: faz parte da instalação.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Apenas RMS contínuo. Sem pico, sem burst, sem watts de marketing.”\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eMANUAL PROFISSIONAL DO UTILIZADOR · 27 PÁGINAS\u003c\/div\u003e\n\u003cp\u003eInstalação elétrica, cargas e impedância, filtros, calibração de ganho e as especificações completas.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SP-300.4-MINI-user-manual-EN.pdf?v=1788876906\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Transferir o manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eInglês · Rev. 1.0 · setembro de 2026 · 1.4 MB\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eNão é uma caixa qualquer. É um estojo.\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eMadeira preta, fecho metálico, pinho por dentro.\u003c\/b\u003e\n\u003cp\u003eO SP-300.4 MINI chega num estojo de madeira preto com a marca SP e o tricolor na tampa. Uma proteção rígida durante o transporte, e depois a forma mais segura de guardar ou transportar o amplificador — um estojo que se guarda.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eNo estojo:\u003c\/b\u003e amplificador · estojo de madeira de coleção · manual do utilizador impresso.\u003cbr\u003e\u003cb\u003eNão incluído:\u003c\/b\u003e cabo de alimentação e de altifalante, porta-fusível externo e cabo RCA — são materiais de instalação, escolhidos conforme o seu veículo.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ph\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_d733c663-d948-401e-aa55-a132f20737c6.jpg?v=1790163201\u0026amp;width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_d733c663-d948-401e-aa55-a132f20737c6.jpg?v=1790163201\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_d733c663-d948-401e-aa55-a132f20737c6.jpg?v=1790163201\u0026amp;width=560 560w\" sizes=\"(max-width: 640px) 92vw, 340px\" alt=\"SP-300.4 MINI junto ao seu estojo de madeira de coleção preto aberto e manual impresso\" width=\"560\" height=\"420\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eEspecificações técnicas\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOTÊNCIA DE SAÍDA — RMS @ 14.4 V, ≤ 1% THD+N\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4 canais, 4 ohm\u003c\/td\u003e\n\u003ctd\u003e4 × 300 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4 canais, 2 ohm\u003c\/td\u003e\n\u003ctd\u003e4 × 400 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEm ponte 4 ohm\u003c\/td\u003e\n\u003ctd\u003e2 × 900 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarga mínima, 4 canais\u003c\/td\u003e\n\u003ctd\u003e2 ohm por canal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarga mínima, em ponte\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eÁUDIO\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTopologia\u003c\/td\u003e\n\u003ctd\u003eClasse D, 4 canais\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResposta em frequência\u003c\/td\u003e\n\u003ctd\u003e10 Hz – 50 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelação sinal-ruído\u003c\/td\u003e\n\u003ctd\u003e≥ 90 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensibilidade de entrada\u003c\/td\u003e\n\u003ctd\u003e200 mV – 6 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNível mínimo da fonte\u003c\/td\u003e\n\u003ctd\u003e100 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEntradas\u003c\/td\u003e\n\u003ctd\u003eRCA de baixo nível, CH1 – CH4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eFILTROS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModos de filtro CH1\/CH2\u003c\/td\u003e\n\u003ctd\u003eHPF · DESLIGADO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModos de filtro CH3\/CH4\u003c\/td\u003e\n\u003ctd\u003eDESLIGADO · LPF · HPF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiltro passa-alto\u003c\/td\u003e\n\u003ctd\u003e50 – 250 Hz, variável, CH1\/CH2 e CH3\/CH4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiltro passa-baixo\u003c\/td\u003e\n\u003ctd\u003e50 – 250 Hz, variável, apenas CH3\/CH4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBass boost\u003c\/td\u003e\n\u003ctd\u003eNão disponível neste modelo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eALIMENTAÇÃO E PROTEÇÃO\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlimentação\u003c\/td\u003e\n\u003ctd\u003e12 V massa negativa, 14.4 V nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLigação remota\u003c\/td\u003e\n\u003ctd\u003e+12 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFusível incorporado\u003c\/td\u003e\n\u003ctd\u003eNenhum incorporado\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFusível externo necessário\u003c\/td\u003e\n\u003ctd\u003e125 A, o mais próximo possível da bateria\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCabo recomendado\u003c\/td\u003e\n\u003ctd\u003e4 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProteções\u003c\/td\u003e\n\u003ctd\u003eCurto-circuito, térmica, tensão\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndicadores\u003c\/td\u003e\n\u003ctd\u003ePOWER (verde) · PROTECT (vermelho)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMECÂNICA E QUALIDADE\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensões C × L × A\u003c\/td\u003e\n\u003ctd\u003e310 × 112 × 46 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePontos de fixação\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstrução\u003c\/td\u003e\n\u003ctd\u003eAlumínio, aletas dissipadoras de calor, proteções de borracha\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminais\u003c\/td\u003e\n\u003ctd\u003eInserção direta, grampo de parafuso\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCB\u003c\/td\u003e\n\u003ctd\u003e2 camadas, tecnologia de montagem superficial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVerificação\u003c\/td\u003e\n\u003ctd\u003eControlo de qualidade Audio Precision\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmbalagem\u003c\/td\u003e\n\u003ctd\u003eEstojo de madeira de coleção\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eDADOS DE LABORATÓRIO DO FABRICANTE · OS VALORES DE PICO OU “BURST” USADOS EM ALGUNS MERCADOS NÃO SÃO RMS E NÃO SÃO INDICADOS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eComplete o sistema\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/pt\/products\/sp-6-5kit-componet-set\"\u003e\u003csmall\u003eFRENTE · KIT 2 VIAS\u003c\/small\u003e\u003cstrong\u003eSP 6.5 KIT — 180 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/pt\/products\/sp-6-5cx-coaxial-speaker\"\u003e\u003csmall\u003eREFORÇO TRASEIRO · PAR COAXIAL\u003c\/small\u003e\u003cstrong\u003eSP 6.5CX — 150 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/pt\/products\/sp-4awg-100-ofc-32mm2-red\"\u003e\u003csmall\u003eCABO RECOMENDADO\u003c\/small\u003e\u003cstrong\u003eSP 4GA RED 100% OFC\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/pt\/products\/sp-afs-01-fuseholder-mini-anl-1x4ga-8ga-in-1x4-8-ga-out\"\u003e\u003csmall\u003ePROTEÇÃO DE LINHA\u003c\/small\u003e\u003cstrong\u003eSP AFS4 4 GA fuse holder\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eAntes de instalar\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSem fusível incorporado: o fusível externo é obrigatório.\u003c\/b\u003e Ao contrário dos outros amplificadores MINI, o SP-300.4 MINI não tem fusível incorporado. Instale um fusível de 125 A o mais próximo possível da bateria, dimensionado ao cabo.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRespeite a carga mínima: 2 ohm por canal, 4 ohm em ponte.\u003c\/b\u003e Uma impedância mais baixa aciona a proteção e, se acontecer repetidamente, danifica o estágio de saída.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLigue em ponte apenas dentro de um par:\u003c\/b\u003e CH1 com CH2, ou CH3 com CH4. Nunca ligue em ponte entre os dois pares.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMantenha as aletas livres.\u003c\/b\u003e As aletas de alumínio são todo o sistema de arrefecimento: nunca cubra o amplificador com alcatifa, bagagem ou espuma.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApenas sistemas de 12 V\u003c\/b\u003e, massa negativa. Recomenda-se instalação profissional: danos causados por instalação incorreta não são cobertos pela garantia.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e08\u003c\/u\u003e\n\u003ch3\u003eO que perguntam os instaladores\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003ePosso usar frente, trás e um subwoofer?\u003c\/b\u003eQuatro altifalantes, ou dois altifalantes em CH1\/CH2 e um subwoofer em ponte em CH3\/CH4 a 900 W RMS para 4 ohm com esse par definido para LPF. Não os seis drivers ao mesmo tempo.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eQue fusível precisa?\u003c\/b\u003eUm fusível externo de 125 A, o mais próximo possível da bateria, em cabo 4 AWG. Este modelo não tem fusível incorporado, por isso nada protege a linha de +12 V sem ele.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eQue impedância de altifalante posso usar?\u003c\/b\u003eMínimo de 2 ohm por canal, mínimo de 4 ohm em ponte. Qualquer valor mais baixo aciona a proteção.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003ePosso filtrar os dois pares de forma diferente?\u003c\/b\u003eSim. CH1\/CH2 oferece passa-alto ou desligado; CH3\/CH4 oferece desligado, passa-baixo ou passa-alto. Ambos os filtros são variáveis entre 50 e 250 Hz e cada par tem o seu próprio nível de entrada.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eVem com manual?\u003c\/b\u003eSim: um manual impresso dentro do estojo de madeira, mais o PDF de 27 páginas acima com os diagramas de ligação, as regulações de filtro e a calibração de ganho.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eApoio técnico gratuito a partir de Itália.\u003c\/b\u003e Escreva ou ligue e uma pessoa responde, com os dados reais das fichas técnicas. Diga-nos o que quer construir — impedância, potência, litros da caixa, pontos de crossover — e ajudamo-lo a escolher.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 340 807 8778\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eMétodos de pagamento aceites\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Concebido em Itália pela Audiocar Import \u0026amp; Export SRLS, Milão, distribuidor oficial SP Audio para a Europa.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"O SP-300.4 MINI consegue usar frente, trás e um subwoofer?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Quatro altifalantes, ou dois altifalantes em CH1\/CH2 e um subwoofer em ponte em CH3\/CH4 a 900 W RMS para 4 ohm com esse par definido para LPF. Não os seis drivers ao mesmo tempo.\"}},{\"@type\":\"Question\",\"name\":\"Que fusível precisa o SP-300.4 MINI?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Um fusível externo de 125 A, o mais próximo possível da bateria, em cabo 4 AWG. Este modelo não tem fusível incorporado.\"}},{\"@type\":\"Question\",\"name\":\"Que impedância de altifalante posso usar com o SP-300.4 MINI?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Mínimo de 2 ohm por canal, mínimo de 4 ohm em ponte. Qualquer valor mais baixo aciona a proteção.\"}},{\"@type\":\"Question\",\"name\":\"O SP-300.4 MINI consegue filtrar os dois pares de canais de forma diferente?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sim. CH1\/CH2 oferece passa-alto ou desligado; CH3\/CH4 oferece desligado, passa-baixo ou passa-alto. Ambos são variáveis entre 50 e 250 Hz e cada par tem o seu próprio nível de entrada.\"}},{\"@type\":\"Question\",\"name\":\"Qual é o tamanho do SP-300.4 MINI?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"310 x 112 x 46 mm, com 4 pontos de fixação e as aletas de alumínio livres para o ar.\"}}]}\u003c\/script\u003e \u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"VideoObject\",\"name\":\"Os amplificadores MINI SP Audio explicados - SP-300.4 MINI, 300 W RMS x4\",\"description\":\"Um técnico da SP Audio apresenta a gama de amplificadores MINI no showroom SP Audio: SP-300.2 MINI (300 W x2 a 4 ohm, 450 W x2 a 2 ohm), SP-1500.1 MINI (600 W a 4 ohm, 1000 W a 2 ohm, 1500 W a 1 ohm), o estojo de madeira de coleção e instalações reais em automóveis.\",\"thumbnailUrl\":\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-mini-amplifiers-video-en-poster.jpg\",\"uploadDate\":\"2026-09-09\",\"duration\":\"PT1M8S\",\"contentUrl\":\"https:\/\/cdn.shopify.com\/videos\/c\/vp\/3f5dccb8618546cdbaeed5141609208e\/3f5dccb8618546cdbaeed5141609208e.HD-720p-1.6Mbps-93859211.mp4\",\"embedUrl\":\"https:\/\/spaudio.it\/products\/sp-300-4-mini-amplifier\",\"publisher\":{\"@type\":\"Organization\",\"name\":\"SP Audio - Audiocar Import \u0026 Export SRLS\"}}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"spaudio","offers":[{"title":"Default Title","offer_id":52810222895447,"sku":"92004","price":258.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/1_b180d231-4580-4520-94b9-b35b86362540.webp?v=1775452184"},{"product_id":"sp-1500-1-mini-amplifier","title":"SP-1500.1 MINI — AMPLIFICADOR MONO CLASSE D 1500W RMS","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .vids,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .vids figure{margin:0 auto 16px;max-width:430px}.sp4 .vids video{display:block;width:100%;height:auto;background:#0B0B0B;border:1px solid #262626;border-radius:10px}.sp4 .vids figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:9px 2px 0;text-align:center}.sp4 .vids figcaption b{color:#E8560F}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .swipe,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}.sp4 .swipe figure{flex:0 0 330px;max-width:330px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eCONCEBIDO EM ITÁLIA\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003e1 canal · classe D · série mini\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e1500 watt RMS.\u003cbr\u003e\u003cem\u003e46 mm de altura.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eUm canal. Toda a corrente. Para um único subwoofer, a 1 ohm — num chassis que se esconde debaixo de um banco. Concebido em Itália, verificado com equipamento de teste Audio Precision antes de sair da linha.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_5a5f5c1f-aad9-4b53-a08f-331b0057f59d.jpg?v=1790163902\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_5a5f5c1f-aad9-4b53-a08f-331b0057f59d.jpg?v=1790163902\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_5a5f5c1f-aad9-4b53-a08f-331b0057f59d.jpg?v=1790163902\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_5a5f5c1f-aad9-4b53-a08f-331b0057f59d.jpg?v=1790163902\u0026amp;width=900 900w\" sizes=\"(max-width: 640px) 92vw, 660px\" alt=\"Amplificador monobloco SP-1500.1 MINI sobre uma bancada de instalador em madeira com cabo RCA\" width=\"760\" height=\"760\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e600\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω MONO\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e1000\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 2 Ω MONO\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e1500\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 1 Ω MONO\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003eVeja em vídeo\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vids\"\u003e\n\u003cfigure\u003e\u003cvideo controls=\"controls\" preload=\"none\" playsinline=\"\" poster=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-mini-amplifiers-video-en-poster.jpg?width=520\" width=\"1080\" height=\"1920\"\u003e\u003csource src=\"https:\/\/cdn.shopify.com\/videos\/c\/vp\/3f5dccb8618546cdbaeed5141609208e\/3f5dccb8618546cdbaeed5141609208e.HD-720p-1.6Mbps-93859211.mp4\" type=\"video\/mp4\"\u003eO seu navegador não consegue reproduzir este vídeo.\u003c\/source\u003e\u003c\/video\u003e\n\u003cfigcaption\u003e\u003cb\u003eOs amplificadores MINI explicados\u003c\/b\u003e · 68 segundos · com som · showroom SP Audio\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cfigure\u003e\u003cvideo controls=\"controls\" preload=\"none\" playsinline=\"\" poster=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-1500-1-mini-video-poster.jpg?v=1788926316\u0026amp;width=640\" width=\"1080\" height=\"1350\"\u003e\u003csource src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-1500-1-mini-video.mp4?v=1788926316\" type=\"video\/mp4\"\u003eO seu navegador não consegue reproduzir este vídeo.\u003c\/source\u003e\u003c\/video\u003e\n\u003cfigcaption\u003e\u003cb\u003eO produto em 27 segundos\u003c\/b\u003e · painel, conectores, case · com música\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eEnvio grátis\u003c\/span\u003e\u003cspan\u003eExpedido de Itália em 24–48 horas úteis\u003c\/span\u003e\u003cspan\u003eGarantia contra defeitos de fabrico\u003c\/span\u003e\u003cspan\u003eApoio técnico gratuito a partir de Itália\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Pagamento seguro · SSL e PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 dias para mudar de ideias (UE)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Fatura de uma empresa italiana\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 12px;\"\u003e▶ NADA É DESCARREGADO ATÉ PREMIR PLAY\u003c\/p\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e DESIGN ITALIANO\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e TESTADO COM AUDIO PRECISION\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e INSTALAÇÃO FÁCIL\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e APOIO GRATUITO\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e CASE EM MADEIRA\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003ePotência, medida, não prometida\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMONO · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 40%;\"\u003e600 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMONO · 2 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 67%;\"\u003e1000 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMONO · 1 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e1500 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003eRMS @ 14,4 V · ≤ 1% THD+N · POTÊNCIA CONTÍNUA, NÃO DE PICO · CARGA MÍNIMA 1 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003ePorquê este amplificador\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eUm canal, toda a corrente\u003c\/b\u003e\n\u003cp\u003eUm único andar de saída entrega toda a sua potência nominal a 1 ohm: sem ponte, sem compromisso entre dois canais. Tudo vai para um único subwoofer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eCabe onde outros não cabem\u003c\/b\u003e\n\u003cp\u003e270 × 112 × 46 mm. Debaixo de um banco, atrás de um painel lateral, dentro de um piso falso: a mala continua utilizável e as cablagens ficam curtas.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eAceita qualquer fonte\u003c\/b\u003e\n\u003cp\u003eSensibilidade de entrada 200 mV – 6 V. Autorádios de alta saída e processadores DSP acionam-no sem saturar a entrada; fontes de fábrica de baixo nível também estão cobertas.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eProtegido, não frágil\u003c\/b\u003e\n\u003cp\u003eProteção contra curto-circuito, térmica e de tensão com diagnóstico por LED, 4 × 30 A de fusíveis a bordo. Defende-se em vez de falhar silenciosamente.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Só RMS contínuo. Sem pico, sem burst, sem watts de marketing.”\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eMANUAL DO UTILIZADOR PROFISSIONAL · 26 PÁGINAS\u003c\/div\u003e\n\u003cp\u003eCablagem, cargas e impedância, filtros, calibração de ganho e especificações completas.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SP-1500.1-MINI-user-manual-EN.pdf?v=1788873463\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Descarregar o manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eInglês · Rev. 1.0 · setembro 2026 · 1,3 MB\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eNão uma caixa. Um case.\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eMadeira preta, fecho metálico, pinho por dentro.\u003c\/b\u003e\n\u003cp\u003eO SP-1500.1 MINI chega num case de madeira preta com a marca SP e o tricolore na tampa. Uma concha rígida durante o envio, a forma mais segura de guardar ou transportar o amplificador depois — e uma caixa que se guarda.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eNo case:\u003c\/b\u003e amplificador · case de madeira de colecionador · manual do utilizador impresso · 4 parafusos de montagem (3,5 × 20 mm).\u003cbr\u003e\u003cb\u003eNão incluído:\u003c\/b\u003e cabo de alimentação e de altifalante, porta-fusível em linha e cabo RCA — materiais de instalação, escolhidos para o seu veículo.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ph\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_d189b597-f15c-4e71-ba25-a126ca8f256d.png?v=1790163902\u0026amp;width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_d189b597-f15c-4e71-ba25-a126ca8f256d.png?v=1790163902\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_d189b597-f15c-4e71-ba25-a126ca8f256d.png?v=1790163902\u0026amp;width=560 560w\" sizes=\"(max-width: 640px) 92vw, 340px\" alt=\"SP-1500.1 MINI com o seu case de madeira preta de colecionador e manual impresso sobre uma mesa de madeira\" width=\"560\" height=\"409\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eEspecificações técnicas\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOTÊNCIA DE SAÍDA — RMS @ 14,4 V, ≤ 1% THD+N\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMono 4 ohm\u003c\/td\u003e\n\u003ctd\u003e600 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMono 2 ohm\u003c\/td\u003e\n\u003ctd\u003e1000 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMono 1 ohm\u003c\/td\u003e\n\u003ctd\u003e1500 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarga mínima\u003c\/td\u003e\n\u003ctd\u003e1 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eÁUDIO\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTopologia\u003c\/td\u003e\n\u003ctd\u003eClasse D, mono, 1 canal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResposta em frequência\u003c\/td\u003e\n\u003ctd\u003e10 Hz – 200 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelação S\/R\u003c\/td\u003e\n\u003ctd\u003e≥ 90 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensibilidade de entrada\u003c\/td\u003e\n\u003ctd\u003e200 mV – 6 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEntradas\u003c\/td\u003e\n\u003ctd\u003eRCA, D \/ E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eFILTROS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiltro passa-baixo (LPF)\u003c\/td\u003e\n\u003ctd\u003e45 – 200 Hz, variável\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiltro infrassónico (subsonic)\u003c\/td\u003e\n\u003ctd\u003e10 – 50 Hz, variável\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBass boost\u003c\/td\u003e\n\u003ctd\u003e0 – +12 dB, variável\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eALIMENTAÇÃO E PROTEÇÃO\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlimentação\u003c\/td\u003e\n\u003ctd\u003e12 V massa negativa, 14,4 V nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRemote turn-on\u003c\/td\u003e\n\u003ctd\u003e+12 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFusíveis a bordo\u003c\/td\u003e\n\u003ctd\u003e4 × 30 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCabo recomendado\u003c\/td\u003e\n\u003ctd\u003e4 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProteções\u003c\/td\u003e\n\u003ctd\u003eCurto-circuito, térmica, tensão\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndicadores\u003c\/td\u003e\n\u003ctd\u003ePOWER (verde) · PROTECT (vermelho)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMECÂNICA E QUALIDADE\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensões L × P × A\u003c\/td\u003e\n\u003ctd\u003e270 × 112 × 46 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePontos de montagem\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstrução\u003c\/td\u003e\n\u003ctd\u003eAlumínio, aletas de dissipação de calor, amortecedores de borracha\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminais\u003c\/td\u003e\n\u003ctd\u003eInserção direta, aperto por parafuso\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCB\u003c\/td\u003e\n\u003ctd\u003e2 camadas, tecnologia de montagem superficial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVerificação\u003c\/td\u003e\n\u003ctd\u003eControlo de qualidade Audio Precision\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmbalagem\u003c\/td\u003e\n\u003ctd\u003eCase de madeira de colecionador\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eDADOS DE LABORATÓRIO DO FABRICANTE · OS VALORES DE PICO OU “BURST” USADOS EM ALGUNS MERCADOS NÃO SÃO RMS E NÃO ESTÃO LISTADOS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eComplete o sistema\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/pt\/products\/sp-12cxx-2800-watt-rms\"\u003e\u003csmall\u003eSUBWOOFER 12\" \/ 30 CM\u003c\/small\u003e\u003cstrong\u003eSP 12CXXX — 2800 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/pt\/products\/sp-15cxxx-3500-watt-rms\"\u003e\u003csmall\u003eSUBWOOFER 15\" \/ 38 CM\u003c\/small\u003e\u003cstrong\u003eSP 15CXXX — 3500 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/pt\/products\/sp-4awg-100-ofc-32mm2-red\"\u003e\u003csmall\u003eCABO RECOMENDADO\u003c\/small\u003e\u003cstrong\u003eSP 4GA RED 100% OFC\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/pt\/products\/sp-afs-01-fuseholder-mini-anl-1x4ga-8ga-in-1x4-8-ga-out\"\u003e\u003csmall\u003ePROTEÇÃO DE LINHA\u003c\/small\u003e\u003cstrong\u003eSP AFS4 porta-fusível 4 GA\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eAntes de instalar\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eFusível principal em linha a menos de 20 cm da bateria\u003c\/b\u003e, dimensionado para o cabo. O amplificador tem fusíveis a bordo de 4 × 30 A, mas a ligação à bateria também tem de ser protegida.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRespeite a carga mínima: 1 ohm.\u003c\/b\u003e Uma impedância mais baixa ativa a proteção e, se repetida, danifica o andar de saída.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDeixe as aletas livres.\u003c\/b\u003e As aletas de alumínio são todo o sistema de arrefecimento: nunca cubra o amplificador com carpete, bagagem ou espuma.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApenas sistemas de 12 V\u003c\/b\u003e, massa negativa. Recomenda-se instalação profissional: danos causados por instalação incorreta não são cobertos pela garantia.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e08\u003c\/u\u003e\n\u003ch3\u003ePerguntas dos instaladores\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eQue impedância de subwoofer devo usar?\u003c\/b\u003eQualquer carga até 1 ohm. Um subwoofer com bobina dupla de 2 ohm ligado em paralelo dá 1 ohm e os 1500 W RMS completos; o mesmo subwoofer em série dá 4 ohm e 600 W.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eQuantos subwoofers pode acionar?\u003c\/b\u003eTantos quantos mantenham a carga total em 1 ohm ou acima — por exemplo dois subwoofers duplos de 4 ohm, ou um duplo de 2 ohm.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eQue cabo de alimentação e fusível?\u003c\/b\u003eAlimentação e massa em 4 AWG, um fusível em linha a menos de 20 cm da bateria dimensionado para o cabo, e um ponto de massa em metal nu.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eCabe debaixo de um banco?\u003c\/b\u003e270 × 112 × 46 mm, montado em 4 pontos, com as aletas livres para o ar. É concebido exatamente para essa instalação.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eVem com manual?\u003c\/b\u003eSim: um manual impresso no case de madeira, mais o PDF acima com diagramas de cablagem, regulações de filtros e calibração de ganho.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eApoio técnico gratuito a partir de Itália.\u003c\/b\u003e Escreva ou ligue e é atendido por uma pessoa, com os dados reais das fichas de produto. Diga-nos o que quer montar — impedância, potência, litros da caixa, pontos de corte — e ajudamo-lo a acertar.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 340 807 8778\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eMétodos de pagamento aceites\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Concebido em Itália pela Audiocar Import \u0026amp; Export SRLS, Milão, distribuidor oficial SP Audio para a Europa.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Que impedância de subwoofer devo usar com o SP-1500.1 MINI?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Qualquer carga até 1 ohm. Um subwoofer com bobina dupla de 2 ohm ligado em paralelo dá 1 ohm e os 1500 W RMS completos; o mesmo subwoofer em série dá 4 ohm e 600 W.\"}},{\"@type\":\"Question\",\"name\":\"Quantos subwoofers pode acionar o SP-1500.1 MINI?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Tantos quantos mantenham a carga total em 1 ohm ou acima - por exemplo dois subwoofers duplos de 4 ohm, ou um subwoofer duplo de 2 ohm.\"}},{\"@type\":\"Question\",\"name\":\"Que cabo de alimentação e fusível precisa o SP-1500.1 MINI?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cabo de alimentação e massa 4 AWG, um fusível em linha a menos de 20 cm da bateria dimensionado para o cabo, e um ponto de massa em metal nu. O amplificador tem fusíveis a bordo de 4 x 30 A.\"}},{\"@type\":\"Question\",\"name\":\"O SP-1500.1 MINI cabe debaixo de um banco de automóvel?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sim: 270 x 112 x 46 mm, montado em 4 pontos, com as aletas de alumínio livres para o ar.\"}},{\"@type\":\"Question\",\"name\":\"O SP-1500.1 MINI vem com manual?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sim: um manual impresso dentro do case de madeira, mais o PDF na página do produto com diagramas de cablagem, regulações de filtros e calibração de ganho.\"}}]}\u003c\/script\u003e \u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"VideoObject\",\"name\":\"SP Audio MINI amplifiers explained - SP-1500.1 MINI, 1500 W RMS at 1 ohm\",\"description\":\"An SP Audio technician presents the MINI amplifier range in the SP Audio showroom: SP-300.2 MINI (300 W x2 at 4 ohm, 450 W x2 at 2 ohm), SP-1500.1 MINI (600 W at 4 ohm, 1000 W at 2 ohm, 1500 W at 1 ohm), the collector wooden case and real car installations.\",\"thumbnailUrl\":\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-mini-amplifiers-video-en-poster.jpg\",\"uploadDate\":\"2026-09-09\",\"duration\":\"PT1M8S\",\"contentUrl\":\"https:\/\/cdn.shopify.com\/videos\/c\/vp\/3f5dccb8618546cdbaeed5141609208e\/3f5dccb8618546cdbaeed5141609208e.HD-720p-1.6Mbps-93859211.mp4\",\"embedUrl\":\"https:\/\/spaudio.it\/products\/sp-1500-1-mini-amplifier\",\"publisher\":{\"@type\":\"Organization\",\"name\":\"SP Audio - Audiocar Import \u0026 Export SRLS\"}}\u003c\/script\u003e \u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"VideoObject\",\"name\":\"SP-1500.1 MINI product video - control panel, RCA inputs, terminals and wooden case\",\"description\":\"Close-up product video of the SP Audio SP-1500.1 MINI monoblock amplifier: control panel with bass boost, LPF and subsonic filters, RCA R\/L inputs, GND\/REM\/+12 V power terminals, speaker output stable down to 1 ohm, 270 x 112 x 46 mm dimensions and the collector wooden case.\",\"thumbnailUrl\":\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-1500-1-mini-video-poster.jpg\",\"uploadDate\":\"2026-09-09\",\"duration\":\"PT27S\",\"contentUrl\":\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-1500-1-mini-video.mp4\",\"embedUrl\":\"https:\/\/spaudio.it\/products\/sp-1500-1-mini-amplifier\",\"publisher\":{\"@type\":\"Organization\",\"name\":\"SP Audio - Audiocar Import \u0026 Export SRLS\"}}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"spaudio","offers":[{"title":"Default Title","offer_id":52810232594775,"sku":"91000","price":175.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/1_898a574b-1d4a-49de-b992-1ac6bf3c4bfd.webp?v=1775648890"},{"product_id":"sp-50-4-4channel-plug-and-play-price-unit","title":"SP-50×4 - 4 CANAIS PLUG AND PLAY (PREÇO UNITÁRIO)","description":"\u003clink rel=\"stylesheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-product-style.css\"\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .swipe,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}.sp4 .swipe figure{flex:0 0 330px;max-width:330px}}\u003c\/style\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\" fetchpriority=\"low\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eCONCEBIDO EM ITÁLIA\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003e4 CANAIS PLUG AND PLAY · CHICOTE OEM DE 16 PINOS\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003eSP-50×4 — um amplificador a sério no chicote de origem\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eQuatro canais, \u003cb\u003e4 × 50 W RMS a 4 Ω por canal\u003c\/b\u003e, seis ajustes de tom analógicos e um pass-through completo: o autorrádio liga-se a \u003cb\u003eTO HEAD UNIT\u003c\/b\u003e, o chicote do próprio carro liga-se a \u003cb\u003eTO AUTOMOTIVE\u003c\/b\u003e, e todas as funções de origem continuam a funcionar exatamente como antes. Sem cablagem RCA, sem bloco de alimentação separado, sem calibração de ganho. 151 × 103 × 45 mm, 0,6 kg.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_4f42d80b-79cd-45f2-9510-1adfc43d45ce.jpg?width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_4f42d80b-79cd-45f2-9510-1adfc43d45ce.jpg?width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_4f42d80b-79cd-45f2-9510-1adfc43d45ce.jpg?width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_4f42d80b-79cd-45f2-9510-1adfc43d45ce.jpg?width=900 900w\" sizes=\"(max-width: 700px) 100vw, 700px\" alt=\"Amplificadores SP-50x4 4 canais plug and play numa bancada de trabalho, painel de controlo e painel de saída RCA\" width=\"2524\" height=\"1664\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e50\u003ci\u003eW×4\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω POR CANAL\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e6\u003ci\u003eAJUSTES\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eFRENTE E TRÁS HIGH-MID-LOW\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e16\u003ci\u003ePINOS\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003ePASS-THROUGH DO CHICOTE OEM\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Expedido em \u003cb\u003e48 horas úteis\u003c\/b\u003e\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Distribuidor oficial SP AUDIO para a Europa\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Suporte técnico de uma pessoa real\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Dados retirados do manual de fábrica, Rev. 1.0\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 × 50 W RMS a 4 Ω\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e entrada de nível de altifalante de 16 pinos\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e pass-through TO AUTOMOTIVE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 6 ajustes de tom F\/T × high-mid-low\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e RCA FL-OUT \/ FR-OUT para subwoofer\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e seletor de ligação HI\/ACC\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e sensibilidade de entrada 0,2 – 6 V\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 20 Hz – 20 kHz\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e S\/N ≥ 88 dB\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e THD \u0026lt; 0,1%\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 151 × 103 × 45 mm\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 0,6 kg\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003eO que os quatro canais entregam realmente\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003ePotência RMS de saída — 4 canais a 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e4 × 50 W RMS\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eDistorção harmónica total\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 12%;\"\u003e\u0026lt; 0,1% THD\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRelação sinal-ruído\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 88%;\"\u003e≥ 88 dB\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eResposta em frequência\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 100%;\"\u003e20 Hz – 20 kHz\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eSensibilidade de entrada\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 60%;\"\u003e0.2 – 6 V\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003e\u003cb\u003e4 × 50 W RMS a 4 Ω por canal\u003c\/b\u003e — potência contínua, confirmada pela SP Audio, não um valor de pico. É isto que os quatro canais aguentam o dia todo com um conjunto de colunas de origem, que é exatamente a carga para a qual o amplificador foi construído: 4 Ω é o mínimo por canal. Tudo o resto nesta página vem do manual do utilizador profissional do SP-50×4, Rev. 1.0, setembro de 2026.\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003ePorque é que o plug and play muda o trabalho\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eUm conector, não uma chicotaria\u003c\/b\u003e\n\u003cp\u003eA alimentação, a ligação e os quatro pares de sinal de nível de altifalante passam por um único cabo de chicote de 16 pinos. Sem cabos RCA pelas soleiras, sem bloco de alimentação separado na bateria, sem procedimento de calibração de ganho. Uma instalação típica mede-se em dezenas de minutos, não numa tarde.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eO autorrádio de origem mantém todas as funções\u003c\/b\u003e\n\u003cp\u003eO conector original do carro liga-se a \u003cb\u003eTO HEAD UNIT\u003c\/b\u003e; o chicote do veículo liga-se a \u003cb\u003eTO AUTOMOTIVE\u003c\/b\u003e. O visor, os avisos sonoros, os comandos no volante, a marcha-atrás e as linhas de iluminação passam diretamente. O amplificador fica invisível no meio.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eSeis ajustes: controlo suficiente sem portátil\u003c\/b\u003e\n\u003cp\u003eFRONT e REAR têm cada um HIGH, MID e LOW. As colunas da frente e de trás estão a distâncias diferentes e atrás de painéis diferentes, por isso nunca soam de forma idêntica de origem — dois conjuntos de ajuste independentes permitem manter a frente dominante e corrigir a traseira.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eEspaço para crescer: FL-OUT \/ FR-OUT\u003c\/b\u003e\n\u003cp\u003eUm par de saídas pré-amplificadas RCA alimenta um amplificador de subwoofer separado ou um subwoofer ativo, para que o sistema possa ganhar um subwoofer mais tarde sem voltar a mexer na cablagem de origem.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eHonestos sobre o que não é\u003c\/b\u003e\n\u003cp\u003eSão ajustes de tom analógicos de variação contínua, não um DSP paramétrico: sem pontos de crossover ajustáveis, sem atraso, sem curva de equalização que possas desenhar. Vão equilibrar um conjunto de colunas de origem visivelmente melhor do que deixar tudo plano — não vão substituir um processador dedicado.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eCompacto o suficiente para desaparecer\u003c\/b\u003e\n\u003cp\u003e151 × 103 × 45 mm e 0,6 kg: debaixo de um banco, atrás de um painel do tablier, no painel lateral da bagageira — onde for mais fácil chegar ao conector do chicote de origem. Dois pontos de fixação, alhetas de alumínio para arrefecimento.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e«Uma instalação no chicote de origem continua a merecer um amplificador a sério.»\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eTodos os controlos, painel a painel\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pnl\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-50x4-panel-input.jpg?width=700\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-50x4-panel-input.jpg?width=480 480w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-50x4-panel-input.jpg?width=700 700w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-50x4-panel-input.jpg?width=1000 1000w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-50x4-panel-input.jpg?width=1200 1200w\" sizes=\"(max-width: 700px) 92vw, 620px\" alt=\"Painel de controlo e entrada SP-50x4: seis ajustes de tom, portas de 16 pinos TO HEAD UNIT e TO AUTOMOTIVE\" width=\"1200\" height=\"625\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003ePAINEL DE CONTROLO E ENTRADA\u003c\/b\u003e1–3 FRONT HIGH \/ MID \/ LOW · 4–6 REAR HIGH \/ MID \/ LOW\u003cbr\u003e7 TO HEAD UNIT (16 pinos, a partir do autorrádio de origem) · 8 TO AUTOMOTIVE (16 pinos, para o carro)\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-50x4-panel-output.jpg?width=700\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-50x4-panel-output.jpg?width=480 480w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-50x4-panel-output.jpg?width=700 700w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-50x4-panel-output.jpg?width=1000 1000w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-50x4-panel-output.jpg?width=1200 1200w\" sizes=\"(max-width: 700px) 92vw, 620px\" alt=\"Painel de saída SP-50x4: saídas pré-amplificadas RCA FL-OUT e FR-OUT e seletor de ligação HI\/ACC\" width=\"1200\" height=\"625\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003ePAINEL DE SAÍDA\u003c\/b\u003e1 FL-OUT · 2 FR-OUT — saídas pré-amplificadas RCA para um amplificador de subwoofer\u003cbr\u003e3 HI\/ACC — interrutor deslizante: ligação automática por nível de altifalante ou ligação pela ignição (ACC)\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eA ordem importa: autorrádio → TO HEAD UNIT\u003c\/span\u003e\u003cspan\u003eChicote do carro → TO AUTOMOTIVE\u003c\/span\u003e\u003cspan\u003eAjustes centrados antes da primeira ligação\u003c\/span\u003e\u003cspan\u003eNa dúvida, começa em HI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eO MANUAL COMPLETO, 21 PÁGINAS\u003c\/div\u003e\n\u003cp\u003eSegurança, o esquema completo dos 16 pinos com as cores dos fios, montagem, o procedimento de afinação, a tabela de resolução de problemas e a ficha de especificações de fábrica. Lê-o antes de cortares o primeiro cabo.\u003c\/p\u003e\n\u003ca class=\"b\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-50x4-Manual-EN-2026.pdf\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-block;background:#E8560F;color:#ffffff;padding:18px 36px;border-radius:6px;font-weight:900;font-size:16px;letter-spacing:1px;text-decoration:none;text-transform:uppercase;box-shadow:0 8px 24px rgba(232,86,15,.35)\"\u003e⇩  Transferir o manual do SP-50×4 (PDF)\u003c\/a\u003e\u003cp class=\"n\"\u003ePDF · 1,0 MB · Inglês · Rev. 1.0, setembro de 2026\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eO que vem na caixa\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eUma caixa, um chicote, quatro canais\u003c\/b\u003e\n\u003cp\u003eO SP-50×4 é enviado pronto a encaixar entre um autorrádio de origem e o chicote original das colunas do carro. Verifica a caixa ao desembalar: sem mossas nas alhetas, ambos os para-choques intactos, ambas as portas de 16 pinos livres de detritos, e ambos os conectores a encaixar firmemente sem pinos dobrados.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIncluído:\u003c\/b\u003e amplificador SP-50×4 ×1 · cabo de chicote de 16 pinos ×1 · parafusos de fixação Ø4×16 mm ×2 · manual do utilizador ×1\u003cbr\u003e\u003cb\u003eNão incluído:\u003c\/b\u003e o adaptador de chicote do lado do veículo se o teu conector de origem for diferente, extensões de cabo de coluna e qualquer cabo de subwoofer — são materiais de instalação e dependem do carro.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ph\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-50x4-ai-bench-harness.jpg?width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-50x4-ai-bench-harness.jpg?width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-50x4-ai-bench-harness.jpg?width=560 560w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-50x4-ai-bench-harness.jpg?width=840 840w\" sizes=\"(max-width: 700px) 92vw, 340px\" alt=\"Amplificador plug and play SP-50x4 com o chicote de 16 pinos ligado numa bancada de oficina\" width=\"2000\" height=\"1319\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eEspecificações técnicas\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOTÊNCIA DE SAÍDA\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePotência RMS de saída\u003c\/td\u003e\n\u003ctd\u003e4 × 50 W RMS a 4 Ω por canal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDistorção harmónica total\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.1% THD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarga mínima por canal\u003c\/td\u003e\n\u003ctd\u003e4 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eÁUDIO\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCanais\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResposta em frequência\u003c\/td\u003e\n\u003ctd\u003e20 Hz – 20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelação sinal-ruído\u003c\/td\u003e\n\u003ctd\u003e≥ 88 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensibilidade de entrada\u003c\/td\u003e\n\u003ctd\u003e0.2 – 6 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTipo de entrada\u003c\/td\u003e\n\u003ctd\u003eNível alto (nível de altifalante), chicote de 16 pinos\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSaída pré-amplificada para subwoofer\u003c\/td\u003e\n\u003ctd\u003eRCA FL-OUT \/ FR-OUT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eLIGAÇÕES E CONTROLO\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePortas do chicote\u003c\/td\u003e\n\u003ctd\u003eTO HEAD UNIT (entrada) · TO AUTOMOTIVE (saída pass-through)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeletor de ligação\u003c\/td\u003e\n\u003ctd\u003eInterrutor deslizante HI \/ ACC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAjustes de tom\u003c\/td\u003e\n\u003ctd\u003e6 × ajustes analógicos de variação contínua (FRONT e REAR × HIGH \/ MID \/ LOW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSistema elétrico\u003c\/td\u003e\n\u003ctd\u003eApenas 12 V com massa negativa — não para veículos de 24 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMECÂNICO\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensões (C × A × L)\u003c\/td\u003e\n\u003ctd\u003e151 × 103 × 45 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeso líquido\u003c\/td\u003e\n\u003ctd\u003e0,6 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePontos de fixação\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis\u003c\/td\u003e\n\u003ctd\u003eAlumínio, com alhetas, preto com marca SP AUDIO em laranja\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eNA CAIXA\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCabo incluído\u003c\/td\u003e\n\u003ctd\u003eCabo de chicote de 16 pinos\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial de fixação\u003c\/td\u003e\n\u003ctd\u003eParafuso de fixação Ø4×16 mm ×2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDocumentação\u003c\/td\u003e\n\u003ctd\u003eManual do utilizador profissional, 21 páginas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eA potência é \u003cb\u003e4 × 50 W RMS a 4 Ω por canal\u003c\/b\u003e, contínua, confirmada pela SP Audio. Todos os outros valores nesta página vêm do manual do utilizador profissional do SP-50×4, Rev. 1.0, setembro de 2026. Uma nota: a \u003cb\u003eclasse do amplificador\u003c\/b\u003e não é formalmente publicada na documentação de fábrica, por isso não indicamos nenhuma em vez de adivinhar. As especificações podem mudar sem aviso prévio.\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eO chicote de 16 pinos, pino a pino\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePINO\u003c\/th\u003e\n\u003cth\u003eSINAL\u003c\/th\u003e\n\u003cth\u003eCOR DO FIO E FUNÇÃO\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eBATT+\u003c\/td\u003e\n\u003ctd\u003eAmarelo — alimentação +12 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003ePreto — massa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eILL\u003c\/td\u003e\n\u003ctd\u003eLaranja — linha de deteção de iluminação\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eACC\u003c\/td\u003e\n\u003ctd\u003eVermelho — fio de ignição (acessórios)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eKEY2\u003c\/td\u003e\n\u003ctd\u003eCastanho — linha de comando do volante 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e“BLACK”\u003c\/td\u003e\n\u003ctd\u003eRosa — linha de deteção de marcha-atrás. Impresso de fábrica como “BLACK”: \u003cb\u003enão\u003c\/b\u003e é uma massa. Confirma com um multímetro antes de ligar.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003eANT\u003c\/td\u003e\n\u003ctd\u003eAzul — alimentação da antena automática\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003eKEY1\u003c\/td\u003e\n\u003ctd\u003eLaranja\/Preto — linha de comando do volante 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003ctd\u003eRL−\u003c\/td\u003e\n\u003ctd\u003eVerde\/Preto — coluna traseira esquerda −\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003eRL+\u003c\/td\u003e\n\u003ctd\u003eVerde — coluna traseira esquerda +\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003ctd\u003eFR−\u003c\/td\u003e\n\u003ctd\u003eCinzento\/Preto — coluna frontal direita −\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003eFR+\u003c\/td\u003e\n\u003ctd\u003eCinzento — coluna frontal direita +\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003eRR+\u003c\/td\u003e\n\u003ctd\u003eRoxo — coluna traseira direita +\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003eRR−\u003c\/td\u003e\n\u003ctd\u003eRoxo\/Preto — coluna traseira direita −\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003eFL−\u003c\/td\u003e\n\u003ctd\u003eBranco\/Preto — coluna frontal esquerda −\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003ctd\u003eFL+\u003c\/td\u003e\n\u003ctd\u003eBranco — coluna frontal esquerda +\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eAs cores são as impressas pelo fabricante para o cabo de chicote \u003cb\u003efornecido\u003c\/b\u003e. O chicote de origem do lado do veículo pode usar cores completamente diferentes para a mesma função: faz corresponder pela posição do pino e pela função, verificado com um multímetro, nunca só pela cor. Os quatro pares de coluna transportam a saída amplificada de coluna do autorrádio, não um sinal RCA de baixo nível — é isto que permite ao SP-50×4 funcionar sem qualquer cablagem RCA.\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eCompleta o resto do sistema\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/pt\/products\/sp-1500-1-mini-amplifier\"\u003e\u003csmall\u003eADICIONA O SUBWOOFER — AMPLIFICADOR MONO\u003c\/small\u003e\u003cstrong\u003eSP-1500.1 MINI\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/pt\/products\/sp-6-5cx-coaxial-speaker\"\u003e\u003csmall\u003eSUBSTITUI AS COLUNAS DE ORIGEM — COAXIAL 6,5″\u003c\/small\u003e\u003cstrong\u003eSP 6.5CX\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/pt\/products\/sp-6-5kit-componet-set\"\u003e\u003csmall\u003eFRENTE COMPLETA — KIT DE COMPONENTES 2 VIAS\u003c\/small\u003e\u003cstrong\u003eSP 6.5 KIT\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/pt\/products\/sr-100-bt-usb-fm-mp3-receiver\"\u003e\u003csmall\u003eMUDA A FONTE — RECETOR BT\/USB\/FM + DSP\u003c\/small\u003e\u003cstrong\u003eSR-100\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e08\u003c\/u\u003e\n\u003ch3\u003eLê isto antes de instalares\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDesliga primeiro a bateria.\u003c\/b\u003e Remove o terminal negativo antes de tocares em qualquer conector do chicote de origem, e volta a ligá-lo por último.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e4 Ω mínimo por canal.\u003c\/b\u003e Impedâncias mais baixas podem ativar a proteção e, se repetido, danificar o estágio de saída.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApenas veículos de 12 V com massa negativa.\u003c\/b\u003e Nunca num camião de 24 V, nunca na corrente elétrica.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAs alhetas são o sistema de arrefecimento.\u003c\/b\u003e Ar livre à volta: nunca debaixo de alcatifa grossa, nunca dentro de uma cavidade selada ou de uma caixa de subwoofer, nunca perto do escape ou das condutas do aquecimento.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNunca ignores ou aumentes os fusíveis de origem.\u003c\/b\u003e Usa valores de substituição idênticos.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLiga no sentido correto.\u003c\/b\u003e Autorrádio de origem → TO HEAD UNIT; chicote do veículo → TO AUTOMOTIVE. Trocar não danifica o amplificador, mas as funções de pass-through não vão funcionar.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFixa bem os dois pontos de montagem.\u003c\/b\u003e Um amplificador solto é um projétil numa colisão.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNão abras o chassis.\u003c\/b\u003e Não há peças reparáveis pelo utilizador no interior e abri-lo anula a garantia.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInstalação profissional.\u003c\/b\u003e Danos causados por instalação incorreta não são cobertos pela garantia.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e09\u003c\/u\u003e\n\u003ch3\u003ePerguntas que realmente nos fazem\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eVou perder os comandos do volante ou o visor?\u003c\/b\u003eNão. É exatamente para isso que serve o pass-through: o conector de origem liga-se a TO HEAD UNIT e o chicote do carro liga-se a TO AUTOMOTIVE, pelo que o visor, os avisos sonoros, os comandos do volante, a iluminação e a marcha-atrás continuam a funcionar exatamente como antes. Testa-os antes de fechares o painel do tablier.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003ePreciso de cabos RCA ou de um cabo de alimentação separado para a bateria?\u003c\/b\u003eNenhum dos dois. O único cabo de chicote de 16 pinos transporta +12 V, massa, ligação e os quatro pares de sinal de nível de altifalante. É isso que torna a instalação rápida.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eÉ 4 × 50 W RMS ou potência de pico?\u003c\/b\u003eRMS. \u003cb\u003e4 × 50 W RMS a 4 Ω por canal\u003c\/b\u003e, contínuos nos quatro canais — confirmados pela SP Audio, não um valor de burst ou de pico. A carga mínima é 4 Ω por canal: foi concebido em torno da impedância de um conjunto de colunas de origem.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eQue classe de amplificador é?\u003c\/b\u003eA documentação de fábrica do SP-50×4 não publica formalmente uma classe de amplificador, por isso não indicamos nenhuma. Se esse dado for importante para o teu projeto, escreve-nos e perguntamos à fábrica em vez de adivinhar nesta página.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003ePosso adicionar um subwoofer mais tarde?\u003c\/b\u003eSim. FL-OUT e FR-OUT são saídas pré-amplificadas RCA: alimenta a partir delas um amplificador de subwoofer mono separado ou um subwoofer ativo, sem qualquer alteração à cablagem de origem.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eHI ou ACC — que modo de ligação?\u003c\/b\u003eComeça com HI: o amplificador deteta o sinal de nível de altifalante e liga-se sozinho, pelo que não precisa de um fio de ignição dedicado. Passa a ACC apenas se a ligação for lenta ou se o amplificador não detetar uma fonte de origem muito baixa no arranque.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003ePode substituir um DSP?\u003c\/b\u003eNão, e preferimos dizê-lo já. Os seis ajustes são controlos de tom analógicos nas zonas altas, médias e baixas de cada saída — sem pontos de crossover, sem alinhamento temporal, sem curva de equalização. Para isso, vê o SR-100 ou um processador dedicado.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eO que é o pino 6, o que vem impresso “BLACK”?\u003c\/b\u003eÉ uma linha de deteção de marcha-atrás, não uma massa, e a etiqueta está mesmo impressa assim na documentação de fábrica. É invulgar o suficiente para o dizermos em voz alta: confirma a sua função com um multímetro antes de a ligares a seja o que for.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eEm quanto tempo enviam?\u003c\/b\u003eAs encomendas são preparadas e entregues à transportadora entre 24 e 48 horas úteis após a confirmação do pagamento. Recebes o número de seguimento assim que a encomenda sai.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eSuporte técnico gratuito, de uma pessoa que conhece o produto.\u003c\/b\u003e Diz-nos qual é o teu carro e o teu chicote de origem e ajudamos-te a acertar — antes de comprares, não depois.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 340 807 8778\u003c\/div\u003e\n\u003cp class=\"paym\"\u003ePAGAMENTO SEGURO\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP AUDIO · Audiocar Import \u0026amp; Export SRLS — Distribuidor oficial SP AUDIO para a Europa · Piazza IV Novembre 4, 20124 Milão (MI), Itália · NIF IT13085510967. Todos os dados técnicos nesta página são os dados declarados pelo fabricante a partir do manual do utilizador profissional do SP-50×4 Rev. 1.0 (setembro de 2026) e podem mudar sem aviso prévio.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Vou perder os comandos do volante ou o visor com o SP-50x4?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Não. O SP-50x4 é um pass-through: o conector do autorrádio de origem liga-se a TO HEAD UNIT e o chicote do veículo a TO AUTOMOTIVE, pelo que o visor, os avisos sonoros, os comandos do volante, a iluminação e a marcha-atrás continuam a funcionar como antes.\"}},{\"@type\":\"Question\",\"name\":\"O SP-50x4 precisa de cabos RCA ou de um cabo de alimentação separado?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Não. Um único cabo de chicote de 16 pinos transporta +12 V, massa, ligação e os quatro pares de sinal de nível de altifalante.\"}},{\"@type\":\"Question\",\"name\":\"O SP-50x4 é 4 x 50 W RMS ou potência de pico?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"RMS. O SP-50x4 entrega 4 x 50 W RMS a 4 ohm por canal, contínuos nos quatro canais, como confirmado pela SP Audio. A carga mínima é 4 ohm por canal.\"}},{\"@type\":\"Question\",\"name\":\"Posso adicionar um subwoofer ao SP-50x4?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sim. FL-OUT e FR-OUT são saídas pré-amplificadas RCA para um amplificador de subwoofer mono separado ou um subwoofer ativo.\"}},{\"@type\":\"Question\",\"name\":\"Devo usar a ligação HI ou ACC no SP-50x4?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Começa com HI, que deteta o sinal de nível de altifalante e não precisa de um fio de ignição dedicado. Usa ACC se a ligação for lenta ou se o amplificador não detetar uma fonte de origem muito baixa.\"}},{\"@type\":\"Question\",\"name\":\"O SP-50x4 é um DSP?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Não. Tem seis ajustes de tom analógicos (FRONT e REAR, cada um HIGH, MID e LOW) sem pontos de crossover, alinhamento temporal ou curva de equalização. Equilibra um conjunto de colunas de origem mas não substitui um processador dedicado.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e\n","brand":"spaudio","offers":[{"title":"Default Title","offer_id":53936587506007,"sku":"40654","price":115.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SP-50x4-4CHANNELPLUGANDPLAY.webp?v=1783150780"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/collections\/MINI_AMP.webp?v=1771658311","url":"https:\/\/spaudio.it\/pt\/collections\/mini-amplifier.oembed","provider":"spaudio","version":"1.0","type":"link"}