Amazon.com: TENEALAY 4-Way 3.5mm Stereo Audio Switch Input Signal Source Switcher Selector Splitter Box with line Volume Controller (4 in 1 Out / 1 in 4 Out) -MC41 : Electronics
Broadcast Tools 4×1 Passive stereo audio switcher/router with mechanical SS 4.1 MLR | RF BroadCast
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6 In 2 Out Rca Signal Input Audio Splitter Switcher Selector Selector Switch - Audio & Video Cables - AliExpress
Meterk 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
4 Input 1 Output/ 5 Input 1 Output Passive Audio Signal Switcher Switch Selector Box Sound Hifi Audio Signal Splitter With Rca - Home Theater Amplifiers - AliExpress
Inday DA4X-R SPDIF 4x1 Digital Audio Switcher with Power Supply and IR Remote