XMSJSIY 4-way bidirectional RCA stereo switcher, audio selection box for DVD, speakers, CD player, compatible with devices with L/R audio channels.

["4-Way Audio Switch Splitter is bidirectional RCA/L/R stereo audio switch, suitable for multiple signal sources or multi-room amplifiers or active speaker distribution of the same signal reproduction. Use a special audio rotary switch/lossless device to easily switch between different audio inputs and outputs. Each device with L/R sound channel is compatible","Audio selection switch has a stable sturdy aluminum housing, strong interference protection, signal lossless, no noise and sound disturbances. Compact Connector Distributor RCA L/R Stereo Splitter Box Metal, nice appearance and reasonable design","Easily switch between different audio signals with professional audio rotary switch/lossless equipment. Eliminates the need to pull and connect cables. No power supply and other software required, plug and play. Compact and easy to place and suitable for your desk and office","Use the rotary switch to select the audio input between 1/2/3/4 and get an output between A and B; Select audio output between 1/2/3/and 4 to receive A or B inputs","L/R Audio Selector for customers with multiple audio sources and outputs. Widely used for system game console/CD player/DVD/TV/DAC/TAPE/TUNER/tube amplifier/digital power amplifier/headphone amplifier"]