RCA L/R stereo audio switcher with 4 IN 2 OUT or 2 IN 4 OUT configuration. Designed for selecting between multiple audio sources or distributing the same signal to multiple rooms, amplifiers, or active speakers. Utilizes a high-quality rotary switch for lossless audio signal switching, ensuring no degradation in sound quality. Features a durable aluminum case for strong anti-interference performance and compact design. This stereo switch box allows seamless switching between RCA audio cables without signal loss. Supports bidirectional operation, functioning as either a 4-input to 2-output or 2-input to 4-output audio switcher. Passive design requires no external power. Simple plug-and-play setup with no complicated installation. Connect the RCA output from your audio devices to the inputs on the back panel and use the front knob to select the desired source. Constructed with a sturdy metal housing and compact connectors for reliable performance. Color: Black. Material: Aluminum and plastic. Package includes: 1 x Bidirectional Audio Switcher. Note: Image color may vary slightly due to lighting and display settings. Measurement error allowance is +/- 1-3 cm.