TM4 four channel mixer, compact sudio system for studio recording, DJ equipment, live online, etc. Supports both the power supply and the universal voltage of 110-220V, can be used outdoors and indoors, portable and convenient to use. Use of USB input to connect devices to play MP3, MP3 part with independent volume control. 3-band EQ on all channels, HI controllers high frequency range, medium control increases / cuts midrange frequencies, and low control increases / decreases the gain of the bass range. Built-in reverberation delay effect, 48 V phantom power supply and BT function. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Specification: Model: TM4 Noise: -80dB Frequency response: 20Hz-20kHz ± 0. 5db THD: ≤0 03% @ 1 KHz SNR: ≥82dB Maximum microphone input level: 16dBu Maximum circuit input level: 30dBu Maximum stereo input level: 20dBu Headphone output: 200 ohm / 300mW Other output: + 20dBu Colour:Black Material:plastic Size:20*24.6*5.8cm Package Contents: 1 * Mixing Console 1 * Charging Adapter Only the above package content, other products are not included. Note: Light shooting 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.