Kali Audio WS-6.2 6" 400W Studio Subwoofer WS-6.2 B&H Photo Video
Rockville RV8.1A 400w 8" Loaded Car Subwoofer Enclosure+Mono Amplifier+Amp Kit
48TCWRT102 KICKER 10" CompRT Subwoofer Single Loaded Enclosure 400W RMS 2 Ohm — Pro Audio Center
Amazon.com: H YANKA SODA-08ASW 400W 8 Inch Compact Underseat Car Subwoofer with Built-in Amp, Slim Powered Subwoofer for Car/Truck/Jeep Audio : Electronics
FIERCE 62 Dual 2 Ohm Subwoofer | 6.5 Inch Car Subwoofers | 200 Watts RMS – TORO AUDIO