Features: LINE/MIC input with 48V powered XLR, LINE IN stereo input (RCA jacks), 2-TK stereo input (RCA jacks). MAIN MIX stereo output (RCA jacks), 3.5mm MIC jack & 3.5mm MONITOR jack, switch to assign signal, LED indicator. USB type B interface, to power supply, transfer audio data between audio mixer and computer. 2-band EQ(HIGH & LOW) and PAN control, echoing effect, GAIN control, for studio-grade sound processing. 5-channel mixing console, made of metal shell, light weight, compact palm-size, convenient to carry. Connect computer or smartphone for live streaming, no sound card required. Specifications: Material: metal Color: black Headphone impedance: 16 USB interface: type-B Power: 48V Power supply: 5V/500mA via USB interface Item Size: 101*45*135mm / 3.97*1.77*5.31in Item Weight: 480g / 16.93oz Package Size: 21*17.5*7.5cm / 8.26*6.88*2.95in Package Weight: 615g / 21.69oz Sensitivity & Impedance Mic: 1.3mV/1.7K (Gain max) Line, channel 1: 5mV/12K (Gain max) Line, channel 2/3: 260mV/16K 2-TK in: 300mV/22K Output level: 5.8Vmax (MAIN; MONITOR) Frequency range: 20-21000Hz THD: 0.05% S/N ratio: 81dB (A weighted) Note: Audio mixer only, others in pictures are not included. Please read user manual for more information before use. Due to manual measurement, there may be deviation. Due to lights or others, it may slightly differ from pictures. Packing List: 1 * Audio Mixer 1 * USB Cable 1 * User Manual