amplifier - Connected my audio input to two music systems by splitting the input, but the one with subwoofer produces continuous 100Hz hum - Electrical Engineering Stack Exchange
How To Solve Subwoofer Hum! Cables, Grounding, SVS, Mediabridge - YouTube
High Level Inputs Benefits | Fix Humming And Buzzing of Car Amplifier - YouTube
Diagnose/repair buzz/hum from Logitech Z2300 subwoofer | AVS Forum
Car Subwoofer Makes Loud Humming Noise - SubwooferAddict
What will power my subwoofer with a built-in amplifier that has an input rating of 90v-240v? - Quora
Subwoofer has humming sound whenever pluged in and the problem has been oersiestend and i wanted to ask if you think that the ground pin missing could be the problem : r/hometheater