USB허브

2(1)-IN-1(2)-OUT RCA Audio selector designed for customers having several audio sources and outputs Main functions: ① select audio input between A and B with A/B siwtcher and get one output; ② select audio output between A and B to receive one input How to use: ① connect two audio sources (like CD player / computer) to A/B ports and one audio output (like speakers) to IN/OUT port; ② connect one audio source to IN/OUT port and two audio outputs to A/B port Volume control; One key to mute; Super small size; Passive device; No power needed; Wont affect sound quality Direct replacement or refund for defective devices. Prompt and courteous customer service.