Question - Marantz SR5010 subwoofer problem - no sound | AVForums
Any help on repairing a bad sub amp? | AVS Forum
Subwoofer doesn't seem to work 100% of the time. Looking for advice on identifying the most likely issue : r/hometheater
Amazon.com: Powered Subwoofer, Konex 12" Woofer 300W Powered Active Subwoofer, High Connectivity, Low Impedance Inputs & Line Input, Standby Mode, for Studio & Home Theater, Black : Electronics
Audio Mass W200 Sub not powering on | AVForums
SVS SB-3000 (Black Ash) Powered subwoofer with app control at Crutchfield Canada
Subwoofer Not Working But Amplifier Has Power - ElectronicsHub