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
IMMACULATE, 1 PAIR Yamaha YST-SW1500 Powered Subwoofer, 1000watt THEIR BEST EVER 27108915678 | eBay
Connecting sub to stereo amp - is Yamaha contradicting itself? | AVForums