Features: 4-Port R/L Stereo o Switcher – Two-way switching splitter for o sharing with active speakers The 4-channel switch knob provides complete circuit isolation, ensuring each signal remains unaffected by the other three channels Plug and play – No external power supply required – No impact on sound quality Supports 2 in 4 out or 4 in 2 out bi-directional switching; each output volume is independently controlled Share a single stereo source with minimal distortion at highest volumes; no o crackle or signal loss when all four ports are connected Specifications: Model: GV-AC004A Item: 4 Way Bi-Directional RCA Stereo o Switch Configuration: 2 In 4 Out / 4 In 2 Out System Compatibility: Supports Windows XP Interfaces: R/L RCA Jacks Dimensions: Approximately 107 x 92 x 40mm Material: Metal Color: Black Package Contents: 1 x RCA Stereo o Switch Note: Light reflection and differences in display screens may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement may vary by +/- 1-3cm.