Item Type: Small Stereo Mixer Material: Metal Gross Weight: 1495g or 52.7oz Microphone Battery Type: AA, 2 (not included) (delivered without battery) Maximum Input Level: microphone input and22dBu, line input and20dBu, Maximum Output Level: and22dBu Main Channel Level Display: 2 LEDs from signal to summit Input Channel Level: 1LED summit display Frequency Response Range: 20Hz to 22KHz ±1dB Common Mode Rejection Ratio (MIC 1kHz): >75dB Total Harmonic Block Loss: <0.05 percent (channel input to output) Separation (At 1kHz: Channel Mute): >80dB Noise Figure, (rms 22Hz to 22KHz) : Equivalent signal to noise ratio -122dBu, residual output noise <-88dBu Mono Stereo Input Channel Equalizer: Treble, Broom, 15dB, 12KHz Bass, Broom, 15dB, 80Hz Maximum Input Power: DC 5C or 1A 5watts 1,Easy to Use: With simple operation, it is easy for children to learn to use, so it is suitable for small performances, home karaoke, conferences control and teachers' speeches. 2,U Disk or MP3 Play: It is compatible with U disk or MP3 player, and it has the function of selecting songs and switching. Besides, music playback device with bluetooth configuration can be connected. 3,16 Reverbs: There is built in DSP digital effector expands the spatial effect of sound with its outstanding realism and naturalness. 4,Dual L Band Equalizer: With the dual L band equalizer, the overall pitch output of the song can be adjusted in sections, so that the voice and music can be integrated more harmoniously and smoothly. 5,Wireless Chip: There is a built in wireless chip, the farthest receiving distance is 50M, the best use distance is about 30M, a mixer for two microphones. And it has intelligent automatic frequency search and frequency matching function.1 x Mixer 2 x Microphone (Ships without Battery) 1 x USB Charging Cable 1 x Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store