![Amazon.com: Rockford Fosgate Punch P500-12P 500-Watt 12" All in One Powered Subwoofer System with Built-in Amplifier : Electronics Amazon.com: Rockford Fosgate Punch P500-12P 500-Watt 12" All in One Powered Subwoofer System with Built-in Amplifier : Electronics](https://m.media-amazon.com/images/I/71pN5NsviVL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Rockford Fosgate Punch P500-12P 500-Watt 12" All in One Powered Subwoofer System with Built-in Amplifier : Electronics
![Logitech Z906 Surround Sound Speakers - (rms) 500-w Subwoofer: 165-w, 3d Stereo - Mice & Keyboards Accessories - AliExpress Logitech Z906 Surround Sound Speakers - (rms) 500-w Subwoofer: 165-w, 3d Stereo - Mice & Keyboards Accessories - AliExpress](https://ae01.alicdn.com/kf/Se02368efd79242af98580a85d25315cbR/Logitech-Z906-Surround-Sound-Speakers-RMS-500-W-Subwoofer-165-W-3D-Stereo.jpg)
Logitech Z906 Surround Sound Speakers - (rms) 500-w Subwoofer: 165-w, 3d Stereo - Mice & Keyboards Accessories - AliExpress
![Amazon.com: NVX VSW84V2 8" 500 Watt Peak (250W RMS) Dual 4-ohm VS-Series Version 2 Car Subwoofer : Electronics Amazon.com: NVX VSW84V2 8" 500 Watt Peak (250W RMS) Dual 4-ohm VS-Series Version 2 Car Subwoofer : Electronics](https://m.media-amazon.com/images/I/91t1-GT0F9L._AC_UF894,1000_QL80_.jpg)