0.25 Metre 1 RCA female to 2 RCA male Y-Adapter has 1-Female to 2-Male RCA audio plugs. This RCA cable is designed to duplicate a mono signal, connect your output to the RCA connections and then you have a duplicate signal, How to use the RCA splitter cable: Connecting the female RCA connector to an existing RCA cable from TV, CD player, DVD player or other rca-enabled device. Then connect the two Male RCA connectors to the left and right audio ports of a speaker, subwoofer, amplifier, or audio/video (A/V) receiver., Gold contact RCA connectors for optimal conductivity; gas injected foam dielectric; dual shielding (braided copper and aluminum Mylar) protects against RF/EM interference.Easily split existing audio components for an authentic surround-sound experience; secure-grip, color-coded connectors for convenient identifying and handling., We also sell cables in a '1 RCA Male to 2 RCA Female cable' and "3.5mm to 2RCA cable", search our shop., Oxygen free copper lines rca cable combined with a double shielding allow for a maximum audio quality; reduce distortion and signal loss; minimizes return loss, so music, dialogue, and sound effects are always clear, dramatic, detailed in excellent signal quality.