1/4' Audio Cable - 1/4' Mono Male to Male Cable | ShowMeCables.com
Stereo to mono converter cable, 50cm
Amazon.com: CableWholesale 1/4 Inch Mono Patch Cable, 10 feet 1/4" Mono Male to 1/4" Mono Male Cord for Electric Instruments (Guitar, Keyboard, Amplifier, Speakers, Synthesizers) : Electronics
3.5 mm Mono Plug to Stripped Tinned Ends Cable
Stereo to mono summing cable 1/8" 3.5mm TRS to 1/4" 6.35mm TS WITH RESISTORS | eBay