1 x 4 Channel Professional Mini Audio Mixer1 x USB Cable1 x User ManualIntroduction: This mixer is a compact, powerful mixing console, which can meet your needsfor the occasions such as daily-life small-scale concerts, family music making, Karaoke replay, network broadcasting etc.Mian Features:- Built-in professional reverb.- 2-Bus electronic balanced display.- 2-Band EQ for each input channel.- AUX-Bus mian channel output, one AUX output and backtrack.- It has a compact size, easy for carry, and can be supplied with power by using a computer/ movable power source or an adaptor.- The mixer had up to 4-channel inputs with built-in 48V phantom power, a high-impedance guitar amplifier, a bluetooth/MP3 player, a computer sound card, an effector, etc.. Specifications:Optional Color: Red/ BlackHarmonic DistortionL 0.1%Frequency Response: 20Hz-20KHz0.5dBS/N Ratio: -80dBInput/Output Impedance: MIC: 2.4KMono: 100KParametric EQ:HI: 12KHz15dBLOW: 180Hz15dBPackage Included:1 x 4 Channel Professional Mini Audio Mixer1 x USB Cable1 x User Manual