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Amazon.com: 2 Way in-line 3.5mm Audio Switch Box A/B Selector Switcher Compatible with 1/8" Microphone TRRS -M201 : Electronics
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Amazon.com: R/L Stereo Audio Bi-Directional Switcher 2 Input 1 Output, R/L Stereo Audio Switch Splitter 2 x 1/1 x 2, with Mute Button. No External Power Required : Electronics
