At last a powered subwoofer that delivers all the bass you want while eliminating what consumers dont want a bulkly box taking up precious floor space and causing decorating dilemmas Toroidal power transformer and ClassD amplifier yeild efficientcies in excess pf 90 enabling small foot print heat sink less amplification Powerful 150Watts amplifier Handles on front panel facilitates quick and easy installation 10 long throw woofer with aluminum cone voice coil former and dust cap with Neodymium magnet Clean powerful performance Musical bass reproduction from the true lows all the way up Can be integrated with even small satellite speakers The amp mounts in the wall No additional amplifier or processor to add to other AV equipment rack Crossover frequency control Phase reversal switch Minimize