Sound Stream X5.12 Subwoofer 7500 Watts Max Dual 1 Ohm
Source Dual 1ohm Car Sound Woofer Super Power Woofer Professional Subwoofer on m.alibaba.com
Edge RS10 Echo Series Single 10” 500 Watts 1ohm Vented Preloaded Subwoofer Enclosure with Ported Design - China Sbwoofer and Audio Speaker price | Made-in-China.com
DB1.2s 1Ohm Class D Monoblock Subwoofer 12v Power Amplifier 1610w RMS #39249643
Massive Audio 18 Inch Dual 1-Ohm Subwoofer 12000W Max 4" Flat Wound Voice Coil | eBay
Powerbass 3XL-1510D 15 in. Dual 1-Ohm Subwoofer 1500W RMS & 3KW Maximum - Walmart.com
SP AUDIO 12CC SUBWOOFER 800 RMS 1 OHM - BOXE AUTO
Subwoofer wiring diagrams
Edge RS10 Echo Series Single 10” 500 Watts 1ohm Vented Preloaded Subwoofer Enclosure with Ported Design - China Sbwoofer and Audio Speaker price | Made-in-China.com
DS18 HOOLIGAN X Black Frame, High Excursion 12" audio Subwoofer 4000 Watts RMS 4" DVC 1-Ohm