No matter what your audio mixing needs, this Pyle PMXU43BT mixing desk provides the performance and features that can take your talent to the next level. With professional sound quality, our legendary mic preamps, EQs and 16-Bit DSP Multi-FX processor makes us the envy of sound engineers and producers all around the world!Features:DJ & Studio Console Mixer SystemMulti 4-Channel Audio Source MixingBuilt-in Bluetooth Wireless ReceiverFX (Analog Effects) & 16 Bit DSP processorDirect-to-Computer Connect & Sound Record AbilityLCD Digital Display & Front Panel Control CenterRotary Adjustment Knobs & LED Indicator LightsMP3 Digital Audio File CompatibilityUSB Interface: MP3 Flash Drive Reader/Computer ConnectionConnect & Stream Audio from External Devices(2) 1/4?? (L/R) MAIN Outputs(2) XLR/14?? Combo Audio LINE/Microphone Inputs1/4?? Mono + Stereo Inputs1/4?? Send + Return Inputs1/4?? Headphone JackStereo Level Fader/SliderOutput Signal Level IndicationBUS Audio Control, Sound RoutingPAD Channel Source Input SwitchIndependent Channel Input Audio ConfigurationGain, High, Mid, Low, FX/Send, Level, Base + Tone Adjustment+48V Phantom Power ControlWhat?s in the Box:Bluetooth Studio MixerPower Adapter Cable, 4-PinWireless Bluetooth ConnectivityHassle-Free Audio Streaming AbilityWorks with All of Today?s Latest Devices(Smartphones, Tablets, Laptops, Computers, etc.)Bluetooth Network Name: ?KT-08UP?Bluetooth Version: 4.0Wireless Range: 15?+ ft.Technical Specs:Input Mixer Channels: 4-Ch. (+ FX/Headphones)Mic Input: Sensitivity/Impedance: 1.5mV/750 OhmInput Frequency Response: 20Hz-20kHz, +/-3dBInput Distortion: 0.03%, 1kHz/150mV InputChannel GAIN Adjustment: +20/+64 (-6/+38)HIGH Gain: +/-15 dB, 12kHz Frequency ShelvingMID Gain: +/-15 dB, 2.5kHz Frequency ShelvingLOW Gain: +/-15 dB, 80kHz Frequency ShelvingHIGH/MID/LOW Adjustment: -15/+15dBStereo Output Level Meter: 5-Segment (+6, +3, 0, -3, -10dB)PAD Input Channel Adjustment: 26dBPeak CLIP Level: