Features4-Port R/L Stereo audio switcher: two-way switching splitter audio sharing active speakers<br>The 4-channel switch knob, completely isolates circuits, ensuring that each signal is not affected by the other three channels.<br>Plug and play; no external power supply required; no impact on sound quality<br>2 in 4 out/ 4 in 2 out bi-directional switch, each output volume is independently controlled.<br>Share a single stereo source, no audio crackle- minimal distortion at highest volumes. No loss of signal when all four ports connected.<br><br>Specifications: <br>Model: GV- AC004A<br>Item: 4 Way Bi-Directional RCA Stereo Audio Switch<br>Support: 2 In 4 Out / 4 In 2 Out<br>System: supports Windows xp<br>Interfaces: R/L Jacks<br>size: about 107 x 92 x 40mm<br>Material: Metal<br>colour: black<br><br>Package Contents: <br>1 x RCA Stereo Audio Switch<br><br>Only the above package content, other products are not included.<br>Note: Light reflection 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.