Features: 4-Port R/L Stereo o switcher: two-way switching splitter for o sharing with active speakers. The 4-channel switch knob fully isolates circuits, ensuring each signal remains independent and unaffected by the other three channels. Plug and play; no external power supply 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 with no o crackle—minimal distortion even at highest volumes. No 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 Interfaces: R/L RCA jacks Dimensions: Approx. 107 x 92 x 40 mm Material: Metal Color: Black Package Contents: 1 x RCA Stereo o Switch Note: Lighting conditions and display settings may cause slight color variation between the image and the actual product. Measurement tolerance: ±1–3 cm.