Yamaha DXS12mkII 1020W 12 inch Powered Subwoofer | Sweetwater
Sound Ordnance™ B-8P 80-watt powered bandpass subwoofer at Crutchfield
L-8028 Dual 18 inch High Power Pro Subwoofer Box - Buy 18 inch subwoofer, high power subwoofer, s8028 subwoofer speaker Product on Sanway Professional Audio Equipment Co., Ltd.