VIOY 3.5mm to 6.35mm Audio Cable[1 M], 1/8'' Stereo TRS to Dual 1/4'' Mono TS Jack Y Splitter Adapter Digital Interface Instrument Cable for Mixer, Guitar, Amplifier, Audio Recorder : Amazon.co.uk: Musical
Neutrik 1/4" TRS Jack Split into Dual Mono Jacks. Stereo Splitter / Summing Cable
Amazon.com: 3ft CablesOnline 3.5mm Stereo Male to Dual (Rd/Wh) Mono 3.5mm Blue Audio Breakout Cable, AM-603C : Electronics
5 Pack 2x RCA Stereo Converter to 3.5mm Mono by Keple, Audio Adapter, Y Splitter, 3.5mm One Ring Male Jack Plug to 2 x RCA Phono Female Connection | Keple.com