Pyle Model : PT12050CHPro Audio Multi-Channel Mixer Amplifier12-Ch. Pro Audio Bluetooth Amplifier - Stage and Studio Sound Mixer Receiver System with Microphone Talk-Over, MP3/USB/SD/AUX, Rack Mount (6000 Watt) Features:High-Powered Audio AmplifierMulti-Zone Audio Source Mixing ReceiverHome Theater Pro Audio Sound ControlLab Tested Stage and Studio PerformanceBuilt-in Bluetooth for Wireless Audio Streaming Ability Microphone Talk-Over / Voice Priority FunctionDigital LCD Display ScreenFront Panel Button and Rotary Control Center Audio Input Mode Selectable (BT/USB/SD/AUX)Independent Channel and Microphone Audio ConfigurationConnect and Stream Audio from External DevicesMP3 Digital Audio File SupportUSB Flash and SD Memory Card ReadersUSB Port Doubles as Device Charge PortAux (3.5mm) Audio Jack (3) 1/4'' Microphone Jacks (2 Rear, 1 Front)RCA (L/R) Audio Input / Output JacksSpeaker Binding Post Output ConnectorsPower ON/OFF SwitchLED Audio Signal Indicator LightsUniversal Rack Mount CompatibleBuilt-in Safety, Overload and Short Circuit ProtectionUsed for Stage, Studio, Home, Office and Business Audio ApplicationsWhat’s in the Box:Amplifier Mixer SystemBluetooth AntennaDetachable Rack Mount BracketsPower Cable Bluetooth Connectivity:Built-in Bluetooth for Wireless Music Streaming Works with All of Today’s Latest DevicesSmartphones, Tablets, Laptops, Computers, etc.Bluetooth Version: 2.1Bluetooth Network Name: ‘BT-AUDIO’Bluetooth Network Password: ‘0000’ (4 Zeroes) Wireless Range: Up to 30’+ ft.Technical Specs:Amplifier Type: 12-ChannelPower Output: 6000 Watt MAXMAX Power: 12-CH x 500 Watt @ 4 OhmRMS Power: 12-CH x 250 Watt @ 8 OhmFrequency Response: 20Hz-20kHzSignal to Noise Ratio: >81dBT.H.D.: