Amazon.com: Massive Audio SUMMOXL124-12 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 12" Subwoofer 1500 Watt RMS, 3000w MAX Dual 4 Ohm, 3 Inch Voice Coil. Sold Individually : Electronics
Avatar STU-1246 D1/D2 3000w RMS 12" Subwoofer - GP Car Audio
Amazon.com: Massive Audio SUMMOXL104-10 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 10" Subwoofer 1500 Watt RMS, 3000w MAX Dual 4 Ohm, 3 Inch Voice Coil. Sold Individually : Electronics
American Bass 15" Godfather Competition Subwoofer | 3000W RMS / 6000W Max | D1/D2
3000W 12inch 15inch High Power Car Subwoofer - China Audio Speaker, Subwoofer | Made-in-China.com