1/4" Stereo Audio Jack Plug Adapter Single Male To Female 6.35mm Dual Mono Stereo Jack Headphone Microphone Y Splitter Converter - Audio & Video Cables - AliExpress
ALZO Smartphone 3.5mm TRRS Adapter Break-Out Y Splitter Cord with Ster - ALZO Digital
Mono-to-Stereo Adapter Corrects Missing Sound from 1 Side
ALZO Smartphone 3.5mm TRRS Adapter Break-Out Y Splitter Cord with Ster - ALZO Digital
Converter Audio Stereo Mono | Audio Systems F Home Theater | Theatre Audio System - Home Theatre System - Aliexpress
Hosa Technology Stereo 3.5mm Female to Dual Mono 3.5mm YMM-492
3.5/6.5mm male to female Plug Jack Adapter Stereo/Mono Connector Audio Headphone | eBay
Amazon.com: Disino 1/4 Mono to 3.5mm Stereo Adapter, Gold Plated 6.35mm TS Male Plug to 1/8 inch TRS Female Audio Connector - 2 Pack : Electronics
Hosa Mono 1/4" to Stereo Mini Adapter Cable (5 feet) Adapts a 1/4" TS jack to 3.5mm stereo minijack at Crutchfield
3.5mm Stereo Mono Male to Two 3.5mm Stereo Female Splitter - Micro Connectors, Inc.