TS-W1007D2|D4 - Premier 10" Champion Series Subwoofer with 1000 Watts Max. Power | Pioneer Electronics USA
Pioneer TS-W2502D4 10" Champion Series Pro Subwoofer With 3000 Watts Max Power - Dual 4 ohm
Sound Storm Laboratories US10 10 Inch Under Seat Powered Car Audio Subwoofer - 1000 Watts Max, Low Profile, Built in Amplifier, For Truck, Boxes and Enclosures, Remote Subwoofer Control - Walmart.com