RCA INSERT with white joins cables with RCA plugs; Connects equipment with RCA ports like a subwoofer, stereo receiver, or other equipment with RCA component audio and video ports; Fits a standard opening in a wall plate for jacks RCA COUPLER with female ports on both sides connects to an RCA cable concealed behind the wall; Connect a subwoofer to the perfect location near an available wall plate STURDY SNAP-IN CONSTRUCTION of feed-through RCA provides a connection; Re-usable inserts can be easily disconnected and relocated when upgrading or redecorating; Gold-plated RCA connectors a connection and distribute authentic audio and video Quick in installation and easily fits standard wall plate, panel or surface box; Compatible with nearly all style wall plates COST-EFFECTIVE 5-PACK provides enough inserts to connect 5 sound system component cables Colour:Yellow+white+red Material:Plastic + Metal Contents: 5 * RCA Only the above content, other are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.