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; does not impact sound quality 2 in 4 out / 4 in 2 out bi-directional switch; each output volume is independently controlled Share a single stereo source; minimal distortion even 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 Support: 2 In 4 Out / 4 In 2 Out System compatibility: Supports Windows XP Interfaces: R/L Jacks Size: Approximately 107 x 92 x 40mm Material: Metal Color: Black Package Contents: 1 x RCA Stereo o Switch Note: Light reflection and different display settings may cause slight color variation between the image and the actual item. Measurement allowance is +/- 1-3cm.