Can anyone identify this connector type?
It sticks out of my wall near television area. I suspect it may be some kind of antenna connection, but I'm not sure. Could not find it in any of the antenna connectors listings.
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From the look of the wires, I'd say that they are a speaker cable, and the gold pin is just to make it easier to insert the wire ends into binding posts or the wire clips that many speakers have. Are there similar wires (with or without the gold pin) elsewhere in the room (or elsewhere in the house)?
That connector is a single gold-plated crimp-on speaker pin.
The other lead used to have an identical connector, and the pair was plugged into a single speaker. That speaker was ripped off the wall without disconnecting the wire, and the pin you don't see stayed stuck in the speaker's input terminal.