How to Connect a Subwoofer to a Receiver or Amplifier
How To Connect A Subwoofer Directly to the Pre Out on an AV Receiver - BoomSpeaker
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
Can I Connect A Passive Subwoofer To A Receiver?
How To Install a HomeTheater Subwoofer - YouTube
How do I connect my subwoofer without a receiver? : r/audio