RCA Audio Switcher 21-In-12-Out Bidirectional RCA Speaker Switch Box with Volume Control Mute Button and No External Power Required

【2 to 1 Audio Input Selector】---: Easily Connect Two Audio Sources (Such as CD Players or Turntables) to the 1/2 Ports, and Direct the Sound to A Single Output Device (Speakers or Amp) Via the IN/OUT Port. Switch Between Sources Effortlessly with the Toggle Button. NOTE: Not A Splitter, Only One Audio Source Can Play at A Time

【1 to 2 Audio Output Selector】---: Connect One Audio Source to the IN/OUT Port and Two Playback Devices (Such as Amplifiers or Speakers) to the 1/2 Ports. Enjoy Flexible Switching Between Outputs With Just One Button. NOTE: Only One Output Can Be Active at A Time

【Support Volume Control & Stable Design】---:The Bi-Directional RCA Switcher Includes An Easy-To-Use Volume Adjustment Knob for Personalised Audio Levels. Its Non-Slip Base Ensures Stability During Operation, While The Sturdy Shell Ensures Durability and A Finish

【One-Key Mute】---: The Audio Switch Has a One-Key Mute Button, Easily Silence the Device with a Quick Press, Providing Instant Control Over Sound Output, Offering You Seamless Control Over Your Audio

【Plug & Play】---: This Professional RCA Stereo Switch Box Requires No External Power Supply. Simple to Set Up, Designed to Reduce Repeated Plugging and Unplugging, and Equipped with A Gold-Plated RCA Cable for Reliable, High-Quality Signal Transfer

Only need to lightly press to mute the device; very useful under special conditions. Plug and play; No power supply and other software required; Won't affect sound quality. Use standard audio cable, input transmission distance up to 8 meters, output transmission distance up to 8 meters.