4-Port RCA Stereo Audio Switch Features: Brand new and high quality 4-port R/L stereo audio switcher: a two-way audio splitter for sharing active speakers The 4-channel switch uses completely independent circuits, ensuring each signal is unaffected by the others. Plug and play; no external power required; no impact on sound quality 2 in 4 out/ 4 in 2 out bi-directional switch, each output volume is independently controlled. Share a single stereo source without audio crackling – minimal distortion at maximum volume. No signal loss when all four ports are connected. Specifications: Model: GV-AC004A Item: 4 Way Bi-Directional RCA Stereo Audio Switch Support: 2 In 4 Out / 4 In 2 Out Cable Length: Approx. 10M/32.8ft System: Supports Windows XP Interface: R/L jacks Dimensions: Approx. 107x 92x 40mm/4.21x3.62x1.57in Material: Metal Note: Due to lighting effects and shooting angles, there will be some tolerances in the product, please understand. Please allow 0-1cm error due to manual measurement. Package Includes: 1 x RCA Stereo Audio Switch