Hosa Insert Cable Stereo 1/4" to Two Mono 1/4" | zZounds
Stereo to Mono Audio Output Cable - Azden
Amazon.com: 3.5mm Stereo Male to Dual 3.5mm Mono Male Audio Cable, 1ft 3.5mm 1/8" TRS Male to 2 x 3.5mm 1/8" TS Male Y Breakout Cable Splitter Adapter for Headphone, Speaker :
Amazon.com: 3ft CablesOnline 3.5mm Stereo Male to Dual (Rd/Wh) Mono 3.5mm Blue Audio Breakout Cable, AM-603C : Electronics
1/4 in TS to 3.5 mm TRS - Mono Interconnect | Hosa Cables
How to...Connecting stereo outputs to mono input
Stereo to Mono Splitter Cable for use with ML10X – ThorpyFX Ltd