How to connect a 2 channel integrated amp to a subwoofer - Quora
How To Connect Passive Subwoofers To 2 Channel Stereo Amplifiers - BoomSpeaker
How to connect a 2 channel integrated amp to a subwoofer - Quora
Question: How to safely connect a passive subwoofer with only speaker wire out to a receiver with no sub output, but A and B speaker inputs : r/diyaudio