Lotus audio interface format, stereo after operational amplification brings a more realistic live sound experience, the output can be connected to headphones, active speakers and amplifiers, and each input and output has a volume adjustment function. The shell is made of metal, frosted industry, sturdy and , delicate and , fast heat dissipation to normal heat dissipation of internal parts and longer service life. Silicone foot pads are used around the bottom to stabilize the device. 4-input 2-output mixed audio distribution output: Four output devices are connected to 2 speakers or headphones with audio interfaces at the same time, and the operational amplification brings a more realistic live sound experience. 4-way input can be used simultaneously/one can be , 2-way output can be used simultaneously/optionally, mixing/distribution/multi-way combined output, optional. Support plug and play, eliminating the trouble of installing drivers, on the system, fast processing speed, smooth operation. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC100-240V Color:Black Material:Metal Package Contents: 1 * Audio Switcher 1 * power adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.