As of Oct. 31, the Klipsch Reference R-121SW 12-inch Subwoofer is on sale for $324.99, down from $649.99, at Amazon. That's a ...

ATC has made substantial improvements to their middle-of-the-range subwoofer which include a new 300-watt Class A/B amplifier and custom built 12-inch Sub-bass Driver. The subwoofer category has grown ...

Can Emotiva's Ultra 12 $500 12-inch subwoofer really compete? We weren't sure, so we got one and hooked it up. The Ultra 12 sub sports a 300W Class D amp and plenty of punch.