Audio Cable, 2 RCA Male to 2 RCA Piggyback Connectors, 6 ft – We-Supply
RCA Piggyback Extension Cable (12 Feet) 2RCA Audio Extender Adapter Cord Wire Coupler Male to Female Dual Red/White Connector Jack Plug Extend Video Audio 2 Channel Stereo (Right and Left) - Walmart.com
Amazon.com: IENZA 2 RCA Male / 2 RCA Female Piggyback to 3.5mm TRS Male Audio Y Adapter Splitter Cable Wire Cord, RCA to 3.5mm Male (6-Ft) : Electronics