Features 4 Way Audio Switcher: Our audio switcher does not need to repeatedly plug and unplug the cable, avoid wearing the socket contact point, 4 ways can input and mix different audio sources at the same time, and can also output at the same time to meet the ne Perfect Performance: All input and output terminals of the audio splitter are made of elongated gold plated copper, with large contact area, perfect performance and ultra low signal loss, which can perfectly match different styles of audio equipment. Supports Simultaneous Work: In addition to the basic mono switching function, the function of the 4 way audio switcher also supports the simultaneous working mode of all channels, that is, 4 ways can work in parallel at the same time. No Interference: The USB interface only supplies power to the driver board, and does not interfere with the audio input and output circuit, and does not affect the sound quality. Easy Operation: You only need to press and hold the key of the channel that needs to work at the same time for 2 seconds until the light of the channel lights up. Specification: Item Type: Audio Splitter Switcher Box Material: Aluminum alloy, red copper VU Meter Audio Input Mode: Support stereo RCA or microphone pickup mode. Audio Output: 4 way stereo RCA Working Voltage: Micro USB, DC5V 0.5A (VU2-D), DC 5V 1.5A (VU2-L) Backlight Filament Voltage: DC/AC 6-12V 100mA (VU2-L bulb only) Backlight Filament Current: 10mA (VU2-D only) Remote Control Function: Support Switcher Working Mode: 1 in 4 out or 4 in 1 out Pointer Sensitivity Adjustment: Support manual quick adjustment Gain Adjustment: Support manual quick adjustment. Gain Mode: DB or ACG. (Note: DB is generally used for recording situations, ACG is used for most common situations) Dynamic acceleration, deceleration damping mode: support Switch Function: Support Set Power Down Save: Support Mute Function: Support (Note, if the switch works in 1 in 4 out, in silent mode, the meter head will continue to beat, in 4 in 1 out mode, the meter head will stop when it is muted.) Remote Control Battery: 2 x AAA battery (excluded) Package List: 1 x Audio Splitter Switcher Box 1 x Remote Control 1 x USB Data Cable 1 x Instruction Package List 1 x Audio Splitter Switcher Box 1 x Remote Control 1 x USB Data Cable 1 x Instruction