Feature 1 16 In 1 Out: The sound switcher allows you to input up to 16 different sound signals and automatically detects the source to output 2 signals, making it easy to share multiple devices. 2 Wide Applications: The sound switcher is perfect for various audiovisual systems, including public video systems, TV teaching systems, multimedia presentations, video conferences, computers, LCD HD display venues. 3 Strong Compatibility: The sound switcher is universally compatible with all devices that have RCA ports. It provides a seamless connection and integration with your existing sound equipment. 4 Stable and Reliable: With a high degree of isolation and strong resistance to interference, the sound switcher ensures stable signal transmission, providing reliable performance. 5 Plug and Play: Switching between devices is effortless with the sound switcher. Simply press a button to switch from one device to another, eliminating the need to unplug and reconnect cables.Item Type: Sound Video SwitcherMaterial: Aluminum AlloyInput Ports: 16portsOutput Port: 1portsVideo Input: 1Vp P 75Video Gain: 0dBDg1dBSound Input: 2.2Vp P 20KSound Gain: -3dBDg0dBRemote Control Battery Specification: 1 x CR2025 (Not Included)Voltage: EU Plug: 220V, US Plug: 110V Package List1 x Sound Video Switcher1 x Instruction Manual1 x Remote Control2 x Bracket4 x Screw