Item Type: 4 in 1 Out RCA Switcher <br>Material: Aluminum Alloy <br>Control Mode: Knob Switch 4 Block Switching <br>Number of Switching Channels: 4 Way (4 Way Input Signal or 4 Way Output Signal) <br>Number of Channels: Stereo 2.0 Signal L R <br>US Plug Voltage: 100-240V1、Active Power Supply: 4 in 1 out RCA switcher using active power supply, switching silent no sound, excellent listening sense more preservation of the output device. <br>2、Lossless Signal: 4 in 1 out RCA switcher can 100 percent full lossless signal input and output, true full lossless switching (input 100 percent to output 100 percent). <br>3、Widely Applicable: 1 in 4 out or 4 in 1 out two wiring methods, suitable for headphones amplifiers, laptops, amplifiers, active speakers, players, etc. <br>4、Separate Conduction: 4 way RCA stereo sound switch with full lossless signal input and output, switching control and signal input and output conduction separation. <br>5、Superior Performance: Switcher adopts sound signal without wire connection, RCA direct connection relay, high efficiency short way, lossless conduction. Gold plated RCA lotus socket, lower impedance.<p>1 x Sound Switcher</p><p>1 x Adaptor</p><p>1 x Power Cord</p><p>1 x Instruction Manual</p>