SUM-QSPP | Stereo to Mono Summing Cable 1/8" Male TRS to 1/4" Male TS
Hosa Y Cable Stereo Breakout 3.5 mm TRS to Dual 3.5 mm TSF - Walmart.com
Amazon.com: 3ft 3.5mm to Dual 1/4, Stereo to Mono Splitter, 3.5mm 1/8" TRS Stereo Female to 6.35mm TS Mono Male Y Audio Cable, for Speakers, Mixer, Audio, Home Theater : Electronics
0.5ft (0.15m) Value Series™ One RCA Mono Male to Two RCA Stereo Male Y-Cable | Audio Adapters and Couplers | Adapters and Couplers | Audio Video
Amazon.com: C2G Value Series One RCA Mono Male to Two RCA Stereo Female Y- Cable, Black (6 Inches) - 03177 : Electronics