DS18 HOOLIGAN X Black Frame, High Excursion 12" audio Subwoofer 4000 Watts RMS 4" DVC 1-
BOSS Audio Systems SLIM10 Elite Series 10 Inch Powered Car Audio Subwoofer - Low Profile, Remote Subwoofer Control, Built In Amplifier, Under Seat, For Truck, Hook Up To Amplifier
Starke Sound SW15 and SW12 Sealed Subwoofers Review | Audioholics
Subwoofer - Wikipedia
STLF-15200A | 15" Cast Aluminum Frame High-Power Raw Woofer Speaker, 8 – Sound Town