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 jacksRCA 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 plateSTURDY 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 videoQuick in installation and easily fits standard wall plate, panel or surface box; Compatible with nearly all style wall platesCOST-EFFECTIVE 5-PACK provides enough inserts to connect 5 sound system component cablesColour:Yellow+white+redMaterial: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.