7 Channel USB Bluetooth Mixer Function Each Mono Channel Has 3-Band Correction: Independent High and Medium Bass Adjustment, Reverb Effect, More Beautiful Vocals 7-Channel Input: 5 Microphone Inputs Mono / Linear, 1 Set of Inputs Stereo, With a balanced Xlr microphone input jack, this is a high-quality microphone amplifier Built-in Bluetooth Function: Supports Wireless Docking of Most Bluetooth-enabled Electronic Devices, Fast Docking, and Wireless U Disk Input Direct Plug-In Live Streaming: Support U Disk Mobile Storage Device, You Can Store Songs On U Drive, Insert It For Playback Built-in 6 Music Modes: Natural / Pop / Rock / Jazz / Classical / Country 1 High Quality Interface: 2 Microphone Input Interfaces, Interface Is Meticulously Made, Stable Transmission And Less Distortion Smart and Compatible with Various Devices: The tuner can be connected to various types of audio devices such as amplifiers, wireless microphones, wired microphones, mobile phones, computers, electronic musical instruments, audio, etc. Convenient to use for various occasions Parameter: Maximum Microphone Input Level: 24dBu Maximum Line Input Level: 24dBu Maximum Output Level: 26dBu Main level meter: 5-segment LED diode Frequency Response: 20Hz-20KHz±0,5 dB Common mode rejection factor (MIC 1kHz): >75dB Total Waveform Distortion (THD N): <0,01% (channel input to mixing output) Crosstalk (1kHz): >85dB Noise (22Hz to 22kHz): equivalent input noise-116dbu remaining output noise < - 80dBu Channel Mono/stereo EQ: high frequency, broom type, /- 15dB, 12KHz Low Frequency, Broom Type, / - 15dB, 80KHz High Intermediate Frequency, Peak Valley Type, / - 15dB, 2,5KHz Mono: XLR balanced, 2-pin hot end, sensitivity 2kohm -60 to 14dbu TRS balanced, tip hot end 10kohm sensitivity -40 to 14dbu phantom XLR 48V power supply Channel Stereo: TRS asymmetrical, tip hot end 10kohm, sensitivity 40 to 14dbu L/ R output: TRS, unbalanced, hot tip, <75 ohm, - 2dbu, maximum 18dbu FX / AUX output: TRS, unbalanced, hot end, <75 ohm, - 2dbu, maximum 18dbu Headphones: TRS, state-of-the-art L, recommended headphones from 30 to 600 ohm Dimensions: 33x23x37cm / 12. 99x9. 05x14. 57in Weight netto: 2,7 kg Package Includes： 1x Machine 1x User Manual 1x Power Cord