12 inch 300W professional powerful active audio subwoofer for home theater with auto standby function
Amazon.com: Monolith M-12 V2 12-Inch THX Certified Ultra 500 Watt Powered Subwoofer - Low Distortion, High Power Output, Vented HDF Cabinet, RCA and XLR Inputs, for Home Theater Systems, Black Ash Finish :
KLH Stratton 500 Watt 12 inch Subwoofer | KLH Subwoofers
Rockville Rock Shaker 12" Inch Wood 800w Powered Home Theater Subwoofer Sub - Rockville Audio
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Rockville Rock Shaker 12" Inch White 400w Powered Home Theater Subwoofer Sub - Rockville Audio
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