Mono-to-Stereo Adapter Corrects Missing Sound from 1 Side
1pcs 3.5mm Audio Mono Stereo Male Jack Plug 3.5 Mm 2pole 3pole 4pole Right Angle Plugs For Phone Headset - Connectors - AliExpress
Stereo Minijack - Mono Jack (x2) Cable, 1m at Gear4music
6,3 mm. Jack mono unbalanced audio cable | Guitar cable
3.5mm 2 3 4 Pole Mono Stereo Audio Connector Video plug headphone Cable Adapter | eBay
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 :
Is it OK to insert a stereo jack into a mono plug? Will both channels work correctly? - Quora
Vanco International 3.5 mm Mono Plug - 1/4" Stereo Jack Adapter
Cordial CFY1.5WPP mini-jack stereo / 2x jack mono - Y Cable