Stereo Mono Converter | 20 Audio System Home | Audio System 8 1 | Audio Adapter - Stereo - Aliexpress
Stereo to mono converter cable, 50cm
Amazon.com: TNP 3.5mm Audio Cable to 6.35mm Dual TS Cable 3-Feet to to TRS Splitter Male Y-Connector 1/4 to 1/8 Audio Cable Stereo to Mono Adapter Cable Breakout Audio Connector : Electronics
Mono-to-Stereo 3.5mm 2-Conductor to 3-Cond Adapter
Amazon.com: Poyiccot 1/4 Mono to 3.5mm Stereo Adapter, 3.5mm to 1/4 Adapter Cable, 1/8 to 1/4 Splitter Cable, 3.5mm 1/8 TRS Female to Dual 6.35mm 1/4 TS Male Stereo to Mono Y
Hosa Technology Stereo 3.5mm Female to Dual Mono 3.5mm YMM-492
Stereo to BTL Converter Adapter. Make any stereo to Bridge Mono Phase Control-2 | eBay