Features: 1.INDEPENDENT MP3 VOLUME CONTROL: Using USB input to connect device to play MP3, and the MP3 part adopt independent volume control 2.4 CHANNEL 3 BAND: 3 band EQ on all channels, high control adjust high frequency range, center control increases or decreases mid frequency, low control increases or decreases gain in bass range 3.WIDELY USES: Mixing console are used for studio recording of compact studio system, DJ equipment, live streaming and more 4.DURABLE METAL MATERIAL: Audio mixer sound board is made of metal material, easy to conduct electricity, shiny, sturdy and durable 5.EXCELLENT PERFORMANCE: Noise is ?80dB, SNR more or equal than 82dB, frequency response is from 20Hz?20kHz0.5db, possess high performance specification:Item Type: Mixing Console Material: Metal Colour: Black Product Power Supply: US Plug AC100-240V Noise: -80dB Frequency Response: 20Hz-20kHz0.5db THD: 0.03% at 1KHz Signal to Noise Ratio: 82dB Microphone Maximum Input Level: 16dBu Circuit Maximum Input Level: 30dBu Stereo Maximum Input Level: 20dBu Headphone Output: 200, 300mW Other Output: +20dBu PackageList: 1 x Mixer 1 x User Manual 1 x Plug