Check the listing for details. 2x1 L/R RCA Stereo Audio Switcher Splitter Bi-Directional w Mute Volume Control. Condition: New. Listed at 22.99 USD. DescriptionL / R Stereo Audio Bi-Directional Switcher This is a bidirectional switcher for L / R channel audio ports. L / R Audio selector designed for customers having several audio sources and outputs. Main functions: 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; How to use: ① Connect two audio sources (like CD player / computer) to 1/2 ports and one audio output (like speakers) to IN/OUT port; ② Connect one audio source to IN/OUT port and two audio outputs to 1/2 port; Note: Select 1/2 switch to switch the input or output you want. Features: Easy installation and simple operation. Only need to lightly press to mute the device; very useful under special conditions. Plug and play; No power supply and other software required; Won't affect sound quality. Analog signal maximum support 2V p-p input and output. Input and output frequency range: 20Hz ~ 20KHz. Use standard audio cable, input transmission distance up to 8 meters, output transmission distance up to 8 meters. Compact and super mini size; Easy to place and suitable for your desktop and office. Package contains: 1* L / R Stereo Audio Bi-Directional Switcher 1* L / R stereo cable 1* User manual