Feature: 1. DSP digital processing chip, multi?stage tuning without pressure. 2. Self?tuning to satisfy your inspirational desire. Gain, bass, reverberation and volume can be adjusted freely. 3. Without sound dyeing, the DOF of tuning is higher, with recording software, let the bedroom become your tuning studio. 4. A variety of power supply, travel without pressure, computer, power supply ( US/EU plug), power bank. 5. Strong compatibility, compatible with musical instruments, microphones, small speakers, power amplifiers, headphones, C4 mixer console, etc. Specification: Item Type: Mixing Console Material: Plastic + Alloy Color: Black Weight: Approx. 598g/21.1oz Input Voltage: 5V 2A Signal to Noise Ratio: ?-80db Maximum Output: 4V/MAX Frequency Response: 20Hz~20Khz/±0.5db Package List: 1 x Mixing Console 1 x Manual Note: 1. The input voltage must not be higher than 5V/2A. 2.It needs to be stored in a dry environment at ordinary times.