3.5mm Y Audio Mic Splitter Cable - Headphone Microphone Adapter - Compatible with Gaming Headsets, PS4, PS5, Xbox One S, Nintendo Switch, Tablet, Mobile Phone, New Version Laptop, and PC Jack - Walmart.com
Elgato Chat Link Pro - Sound Adapter For PS4/PS5/Nintendo Switch - MaxGaming.com
If you own a SoundBlasterX G6, here's how to combine Game Audio with Discord Audio (Phone App) : r/NintendoSwitch
Product - avedio links
Best Nintendo Switch gaming headsets for 2023 - SoundGuys
For PS4/XBOX-ONE/PC Nintendo Switch PC Stereo 3.5mm Wired Gaming Headset W/ Mic | eBay
Amazon.com: DIGITNOW 3.5mm 4 Pin Male to 2x3.5mm 3 Pin Female Combo Audio Splitter Y Adapter Cable Compatible for PS4,PS5,Xbox One S,Nintendo Switch,Tablet,Mobile Phone,PC Gaming Headsets and New Version Laptop
HDMI Splitter 1 in 2 Out - 4K HDR, HDCP Bypass, Dolby Atmos - Compatible with Gaming Consoles, PS5, PS4, Nintendo Switch, Xbox, Cable Box - Supports Soundbar, TV - HBAVLINK - Yahoo Shopping
Is it possible to have the Nintendo Switch connected to one source for video while it outputs sound in another source? - Quora
Headsets Splitter Adapter,3.5mm Jack Separate Headphone & Mic Plug Adapter 3.5mm Combo Audio Adapter Cable for PS4 Gaming Headset PC Xbox One Nintendo Switch Laptop - Walmart.com
Headphone Splitter 3.5mm, Audio Splitter 2 Female to 1 Male, Dual Headphone Adapter Compatible with PS4 PS5 Xbox Nintendo Switch - AliExpress
Amazon.com: Audio Splitter, Headphone Splitter 3.5mm Nylon-Braided,BEZOKABLE Aux Splitter Male TRS to Dual Female 3.5 Audio Cable for Phone, PS4,PS5, Xbox One S,Nintendo Switch, Tablets and More - Slilver : Electronics
Amazon.com: ECHZOVE Audio Converter for Nintendo Switch, 2 in 1 Audio Chat Adapter for Nintendo Switch - Support Voice Chat with Your Headphone : Video Games
Headphone Splitter 3.5mm Audio Splitter 2 Female to 1 Male Dual Headphone Adapter Compatible with PS4 Xbox Nintendo Switch PC Gaming Headsets Phone Tablet Laptop and More-Red - Newegg.com
Amazon.com: Audio Splitter, Headphone Splitter 3.5mm Nylon-Braided,BEZOKABLE Aux Splitter Male TRS to Dual Female 3.5 Audio Cable for Phone, PS4,PS5, Xbox One S,Nintendo Switch, Tablets and More - Slilver : Electronics
Solving the Nintendo Switch Ground Loop
The Splatoon audio mixer looks like a regular audio splitter - NOT proprietary! : r/splatoon