Stereo Vs Mono: The Differences, Benefits, And Futures Of Both
HUMX-S2S-S2M: Hum Eliminator with Stereo to Mono Converter
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 :