Does anyone know what these are? I'm thinking they are ports to connect the speakers on my patio to a receiver. Can anyone confirm? If I'm right, what kind of cable do I need, RCA? If my theory is correct, I have a Yamaha TSR700 reciver I would like to connect to. Thanks for any input and suggestion how I could further utilize these and that reciever.
Look like AV jacks, so Iām guessing your theory is correct.
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They are most likely for speaker-level connections. Are there corresponding jacks on the outside of your house (or anywhere else, like the back of your room for surround speakers)?
You can insert a banana plug into the middle. Or you can use a bare wire into the side of the lug, which would need to be secured with the nut. It looks like you're missing one of the nuts, though.
https://www.amazon.com/Monoprice-109436-Plated-Speaker-Banana/dp/B0097JLQVC
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Those are for speakers. High output, not line-level.
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There are 2 klipsch speakers mounted over the back porch with a dial I think is probably volume control by the back door.
The nut isn't missing. I took it off for that top view picture. So it sounds like my theory is correct. Thanks for confirming!
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What is the difference?
You connect the speaker output of your receiver to these. Or if you use an audio source that isn't amplified (like a headphone-like line level or RCA output) then you need an amplifier between that and these connections.
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