Description: The mixer is a multi-purpose 4-channel mixer with a sound card that can be meet users of home music recording, webcast, singing, small party, and other needs. The mixer is equipped with input gain and high bass adjustment, built-in 48V for phantom power supply for condenser microphone direct power supply, high-definition headset output port, MP3, WMA, WAV, FLAC broadcast, device with a sound card can be directly connected to the PC. Mixer compact, light weight, can be directly connected to the PC's USB port power supply, No additional power, can be connected to the computer through the USB power supply to run. With the trouble with an external adapter, you can also use the mobile power or USB AC / DC. The adapter is powered by the adapter. All you need is a cellphone data cable to connect to your computer and tune it up when it's powered. Specification: 2-channel signal input and 1 stereo signal input 1 set of main channel input, 1 set of auxiliary channel output and return interface 1 for independent recording output and listening port Low noise, high precision microphone preamplifier with good sound quality. Balanced microphone XLR input and balanced line TRS input 3-band channel equalization. 48V power supply Equipped with headphone interface Logarithmic 10-bit LED level display MP3 private room module External light source Material: ABS+ plastic Voltage: 220V Frequency: 50Hz Size: 185 * 150 * 55mm Receiving method: wire,,USB Applicable equipment: computer, mobile phone, microphone Package Includes: 1 Piece Audio Mixer 1 Piece USB Cable with Plug 1 Piece Manual Note: Color might be slightly different due to the color for calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.