Check the listing for details. 7-Channel Bluetooth Portable Audio Mixer USB Sound Mixing Console Board DJ Music. Color: Black, Condition: New. Listed at 59.86 USD. Specification Color: Black Style: Minimalist Material: Iron Number of Channels: 7 Connectivity Technology: Interface, USB, Bluetooth Plug Voltage: U.S. Plug 110V Microphone Maximum Input Level: +24dBu Maximum Line Input Level: +24dBu Maximum Output Level: +26dBu Main Level Meter: 5-segment Light-emitting Diode Frequency Response: 20Hz - 20kHz ± 0.5dB Common Mode Rejection Ratio (MIC 1KHz): >75dB Total At-wave Distortion (THD+N): 85dB Noise (22Hz - 22KHz): Equivalent Input Noise -116dBu Residual Output Noise 7-Channel Bluetooth Portable Audio Mixer USB Sound Mixing Console Board DJ Music Bluetooth Portable Audio Mixer w/USB DJ Sound Mixing Console MP3 Jack 48V Power for Computer Recording, 7-Channel Bands Mixing Boards For Studio Recording Description Are you still worried about your audio mixer is not effective and not fully functional? Well, now you've found a good helper! Our 7-way mixer, not only supports a variety of devices, condenser microphones, etc., and it is simple and easy to operate so that you transform into a universal mixer, come and try it! Specification Color: Black Style: Minimalist Material: Iron Number of Channels: 7 Connectivity Technology: Interface, USB, Bluetooth Plug Voltage: U.S. Plug 110V Microphone Maximum Input Level: +24dBu Maximum Line Input Level: +24dBu Maximum Output Level: +26dBu Main Level Meter: 5-segment Light-emitting Diode Frequency Response: 20Hz - 20kHz ± 0.5dB Common Mode Rejection Ratio (MIC 1KHz): >75dB Total At-wave Distortion (THD+N): 85dB Noise (22Hz - 22KHz): Equivalent Input Noise -116dBu Residual Output Noise