Features: - 4-Port R/L Stereo Audio Switcher: Two-way switching and audio sharing for active speakers - 4-channel rotary switch knob with fully isolated circuits, ensuring no crosstalk between channels - Plug-and-play operation; no external power supply required; no degradation in sound quality - Bi-directional switching: supports both 2-in/4-out and 4-in/2-out configurations - Independent volume control for each output channel - Enables sharing of a single stereo source with minimal distortion and no audible crackle, even 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 - Configuration: Supports 2-in/4-out and 4-in/2-out - Interfaces: RCA (R/L) jacks - Dimensions: Approx. 107 x 92 x 40 mm - Material: Metal - Color: Black Package Includes: - 1 x RCA Stereo Audio Switch Note: The actual product color may vary slightly due to lighting conditions and screen settings. Measurement tolerance: ±1–3 cm.