Monoprice 6in RCA Female to 2x RCA Male Digital Coaxial Splitter Adapter - Monoprice.com
AV Cable RCA Single Lotus to double Lotus - AliExpress
0.5ft (0.15m) Value Series™ One RCA Female to Two RCA Male Y-Cable | Audio Cables | AV Cables | Audio Video
Y Cable, Single 1/4 in. TS to Dual RCA Male - 6 ft — AV Now Fitness Sound
Single 1/4" Balanced to Dual 1/4" Cable
3.5mm Stereo Male to Dual RCA Female Adapter Cable - 6 IN
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
Amazon.com: TNP Premium 1/4 Inch TRS to Dual RCA Audio Cable (10FT) - Male 6.35mm 1/4" TRS to 2RCA Connector Wire Cord Plug Jack : Electronics
SVS SoundPath Subwoofer Cable | RCA Cable for Audio