2 Port 3.5mm Microphone Manual Switch Box Audio MIC Headset Speaker A/B Selector 843355444095 | eBay
Mini 3.5mm RCA Stereo Home Audio Switch Box Passive Selector Headphone Splitter | eBay
Carevas LINEPAUDIO Audio Switcher 3.5mm 2 in 1 Out / 1 in 2 Out A/B Switch Stereo Audio Splitter Box with No Distortion 3.5mm Jack for Switching Between Computer Speakers and Headphones - Walmart.com
Audio Switching Board 3.5mm A / B Audio Input Block Optional Select Output Type Module One Audio Input to two Audio Output|switch mk|board melamineswitch housing - AliExpress
4 PORT 3.5mm STEREO Manual Sharing Switch AUX Audio Speaker selector way 4:1 | eBay
Audio Switching Board 3.5mm A / B Audio Input Block Optional Select Output Type Module One Audio Input to two Audio Output|switch mk|board melamineswitch housing - AliExpress