Newegg offers the Klipsch 12" 300-watt Powered Subwoofer, model no. SW-112, for $199.99. This $20 mail-in rebate cuts that to $179.99. With free shipping, that's $20 under our mention from two weeks ago and the lowest total price we've seen. (It's a current low by $69.) It features a 26Hz to 120Hz frequency response. Rebate expires February 20.