R/L Stereo Audio Switch Audio Switcher AB Switcher Passive Speaker Manual Selector Splitter Box Audio Sharing

2(1) IN-1(2) OUT L / R Audio selector designed for customers having several audio sources and outputs, ① Select audio input between 1 and 2 with 1/2 switcher and get one output;, ② Select audio output between 1 and 2 to receive one input;, One key to mute; very useful under special conditions, Plug and play; No power needed; Won't affect sound quality