Features - Fits bluetooth function - USB plug and play - Lightweight and portable - Each mono with 3-band equalization - 6 kinds of music modes Specifications Maximum input level of the microphone: +24dBu Line maximum input level: +24dBu Maximum output level: XLR card + 26dBu Main level meter: 10-segment LED -24dB to CLIP Frequency response: 20Hz-30Khz±0.5dB Maximum powers input powers: 15W Total chopping distortion (RHD+N): 85dB channel >82dB Noise (22Hz-22KHz): Equivalent input noise -122dBu Remaining output noise <-90dBu Mono/stereo channel EQ: high frequency +/-15dB 12KHz low frequency +/-15dB 80KHz high IF +/-15dB 2.5KHz 2-track return: RCA lotuss seat unbalanced 4K ohm -2dBu 2-track transmission: RCA lotuss seat unbalanced <75 ohm -2dBu L/R output: XLR balanced tip hot end <75 ohm +4dBu max +22dBu FX/AUX output: TRS unbalanced tip hot end <75 ohm -2dBu max +18dBu Head: TRS Tip L Ring R Recommended 30 to 600 ohm head Size: 6 Channels: 342mm*340mm*37mm 8 Channels: 400mm*340mm*37mm 12 Channels: 516mm*340mm*37mm Certification:NONE Origin:Mainland China Type:Mixers Model Number:Studio Audio Mixer