Orkney Real Hifi - Yamaha yst sw1500 1000w RMS subwoofer 16hz bass extension, with 12" servo controlled massively constructed bass driver. If comparing this unfavourably to car subs,its worth knowing that the
Yamaha YST-SW1500 - Hi-Fi Database - Subwoofers
IMMACULATE, 1 PAIR Yamaha YST-SW1500 Powered Subwoofer, 1000watt THEIR BEST EVER 27108915678 | eBay
Yamaha YST-SW1500 Subwoofer System Manual | HiFi Engine
IMMACULATE, 1 PAIR Yamaha YST-SW1500 Powered Subwoofer, 1000watt THEIR BEST EVER 27108915678 | eBay