AU-202 Stereo Mixer Audio Distributor for Headphone External Power AMP Volume Independent Control 2 Input 2 Output DC5-19V - AliExpress
Device as "Name not Available" showing under Volume Mixer in Windows - Microsoft Community
Stereo Audio Mixer 3.5mm 4 Channel Portable Mini with Separate Volume Control Fashion Splitter Small Sound No External Power for Instrument - Walmart.com
Au-202 2 Input 2 Output Stereo Mixer Audio Distributor For Headphone External Power Amp Volume Alon | Fruugo NO
Aluminium USB External Volume Control Adjust Knob with Play Pause Skip Mute | eBay
Using A Hardware Mixer
I built an external Volume Mixer : r/arduino
Pump Up The (Windows) Volume With Physical Sliders | Hackaday
Sound card mixer - Wikipedia
How to Record Audio From Mixer to Computer – Top 3 Methods - Virtuoso Central
Audio Mixer Sound Card USB External Sound Board Live Sound DSP Chip Noise Canceling Kits Compatible with Most Music APP - buy Audio Mixer Sound Card USB External Sound Board Live Sound
Stereo Mixer Audio Distributor for Headphone External Power AMP Volume | eBay
Amazon.com: Stereo Audio Mixer, 3.5mm 4 Channel Portable Mini Audio Mixer, with Separate Volume Control, Fashion Stereo Audio Splitter, Small Sound Mixer for Sub-Mixing, No External Power for Instrument : Musical Instruments