MartinLogan Dynamo 300 Home Theater and Stereo Subwoofer [Discontinued by Manufacturer] Ultra efficient low-distortion, 75-watt amplifier with 150-watt peak output Low-distortion 8-inch polypropylene cone woofer Low-turbulence port for extreme bass output High-density cabinet construction Connects via Stereo Left/Right Inputs or Home Theater LFE Input Discontinued by manufacturer