Amazon.com: C2G Legrand RCA Male to RCA Female Signal Splitter Cable, Black RCA to RCA Splitter, 6 Inch Audio Stereo Y-Cable, 26 AWG Audio Signal Converter Cable, 1 Count, C2G 03177 : Electronics
0.5ft (0.15m) Velocity™ Two RCA Stereo Male to One RCA Mono Female Y-Cable | Audio Adapters and Couplers | Adapters and Couplers | Audio Video
Standard Phone (1/4") plug to two (2) RCA jack audio adapter cable 6 inches