BAS8 - 8" 400 Watts RMS Class D Powered Subwoofer in Ported Enclosure,
Peavey PV 118 400W 18 inch Passive Subwoofer | Sweetwater
Pioneer 400 Watt Subwoofer, 10" - Walmart.com
Amazon.com: MB Quart DS1-204 Discus Shallow Mount Subwoofer (Black) – 8 Inch Subwoofer, 400 Watt, Car Audio, 2 Inch Voice Coils, UV Rubber Surround, Best in Sealed Enclosures : Electronics
12" SUBWOOFER 800WMAX / 400 WRMS – GENIUS AUDIO USA
Sundown Audio SD-4 Series 8" 400W Neo Car Audio Subwoofer/Sub NEO SD4
Sundown Audio SD-4 Series 8" 400W Neo Car Audio Subwoofer/Sub NEO SD4
SW-15 400W Subwoofer – WharfedaleUSA
BAS8 - 8" 400 Watts RMS Class D Powered Subwoofer in Ported Enclosure,