x2 Pro BX 18" Neodymium Subwoofer 10,000W Max 5000W RMS 2 Ohm 6" Voice Coil DS18 - Walmart.com
Huge Magnet Motor 4inch American Voice Coil 5000w Rms/10000w Max Powered High Spl Subwoofer 15/18inch - Buy 10000w Car Subwoofer,5000w Rms Subwoofer,Huge Magnet Subwoofer Product on Alibaba.com
DD Audio POWER TUNED 9900 Series Subwoofers | Explicit Customs
Orion 15″ Woofer, 2500W RMS/10,000W Max, Dual 4 Ohm Voice Coils – The Wholesale House