Nice deal for an entry level 12" sub. http://www.partexpress.com/pe/pshowdetl.cfm?&DID=7&Partnumber=300-634&raid=25&rak=behnew Info: Normally you would have to pay over $300 for a full-featured 12" Subwoofer with 150 Watts of power! Our Dayton subwoofer adds impact and realism to music and movie soundtracks with its tight thunderous bass. Perfect for medium and large size home theaters or listening rooms. This powered sub features a down firing, front ported bass reflex design to produce deep clean bass. It utilizes a 12" long throw driver and a flared port to help reduce port noise. The 150W amplifier features gold plated high and low level inputs/outputs, phase reversal switch, volume control, auto on/off (activated by input signal) and a 9dB electronic low pass filter that is continuously variable from 45 to 150 Hz. It also features a 13.5dB high pass filter (150 Hz, 4 ohm) output for satellite speakers. The MDF cabinet is finished in an unobtrusive "Black Ash" vinyl veneer that will blend in with any decor. Specifications: *Frequency response: 24-150 Hz *Exterior dimensions: 14-1/8" W x 17-1/2" H x 15-5/8" D. 150 Watts of house shaking power Down firing 12" long throw woofer Perfect for medium to large sized home theater or listening rooms Unobtrusive "Black Ash" finish In Stock? Yes Weight: 40.00 lbs.