







SP 15CXXX SUBWOOFER 15"/38CM BIG SORROUND 3500W RMS - NEW 2026 (UNIT PRICE)
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SP 15CXXX — SUBWOOFER 15"/38 CM 3500 W RMS · NEW 2026
SP-15CXXX subwoofer featuring a 38 cm (15") cone is eager to thrill the enthusiasts with their power: 3500 W RMS, 7000 W peak, 4 ohm rated (2+2 ohm dual voice coil), 89 dB SPL 1W/1M, 75.5 mm voice coil, big surround. Sold per unit.
Technical specifications
| Nominal diameter | 380 mm (15") |
| Rated power (RMS) | 3500 W |
| Peak power (MAX) | 7000 W |
| Rated impedance | 4 ohm |
| Minimum impedance | 2+2 ohm |
| Voice coil diameter | 75.5 mm |
| Sensitivity | 89 dB SPL 1W/1M |
| Frequency range | 20-750 Hz |
| Winding material | 220 °C aluminum wire |
| Suspension | Large “R” form |
| Cone | Compressed paper + fiberglass + black painting |
| Sold as | Single unit |
Frequently asked questions
How much power does the SP 15CXXX handle?
3500 W RMS continuous and 7000 W peak.
What impedance is it and which amplifier does it need?
4 ohm rated, dual voice coil 2+2 ohm. Use a mono amplifier able to deliver about 3500 W RMS at the impedance you wire.
Is the price for one unit or for a pair?
The price is for one single subwoofer.
What size is it and how big is the voice coil?
Nominal diameter 380 mm (15"), voice coil 75.5 mm.

