Hosa Stereo Breakout Adapter 1/4" TRS female to dual RCA male at Crutchfield
Amazon.com: Hosa TRS-201 1/4" TRS to Dual RCA Insert Cable, 1 Meter Black : Electronics
Amazon.com: Duttek RCA to 1/4 Cable, TS to RCA Cable, Dual 6.35mm 1/4 inch Male TRS Stereo Jack to 2 RCA Male Audio Splitter Adapter Cable 5 Feet/1.5M : Electronics
Pro Co Sound Insert Y-Cable 1/4" Male Phone TRS Stereo IPBQ2R-3