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.
Axton ATW16 16.5 CM / 6.5″ Subwoofer 2 x 2 Ohm 150 Watt Kickbass Woofer | eBay