4-way Stereo L/r Sound Channel Bi-directional Audio Switcher

RCA L/R stereo audio switcher 4 IN 1 OUT or 1 IN 4 OUT.Main functions: (1) select audio input between 1/2/3/and 4 with knob siwtcher and get one output; (2) select audio output between 1/2/3/and 4 to receive one inputSuitable for multiple sources signal select or multi-room paralleled amplifier or active speaker distribution of the same signal playback. Use specialized audio rotary switch/Lossless device, easily switch between different audio in or out.Stereo Switch Box with Signal Lossless, Sturdy Aluminum case Strong Anti-Interference, Compact Connector Distributor RCA L/R Stereo Splitter Boxes.Plug and play, No power needed, Won't affect sound quality.colour:BlackMaterial:metalsize:10.7 x 9.2 x 4.1cmPackage Contents:1 x Bi-Directional Audio SwitcherOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.