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Keystone jack to be used with keystone wall plates or
Matches Ivory wall plates.
Black plastic color code ring.
Front accepts banana plugs, spades or bare wire.
Back end has soldering post.
Keystone jacks and wall plates are used when you desire to run wiring in-wall to create a cleaner, less cluttered media room.
Banana plugs and jacks are used to terminate speaker wires.