Very nice SUB with the perfect bass | Review of Yamaha NS-SW700 Advanced YST II and QD Bass subwoofer (300 W, 25 cm woofer) 1 piece Piano finish black (Electronics) | Tgreer
YAMAHA NS-SW050 8" 100 Watt Powered Subwoofer Black | Accessories4less
Yamaha NS-SW100 10" 100W Powered Subwoofer - Black - Newegg.com