Pyle Model : PDA8BU5 Channel Audio AmplifierMulti-Source 1/4” Audio/Microphone input USB/SD Readers/ FM radio, Built-in Bluetooth for Wireless Audio StreamingFeatures:5.1 Genuine Channel Amplifier SystemBig VFD screen display with Frequency level lightBuilt-in Bluetooth for Wireless Audio StreamingAuto Scan, Memory, Radio Station PREVIOUS/NEXT ControlMP3 Digital Audio File PlaybackSD Memory Card & USB Flash Drive Readers(2) 1/4’’ Audio Input Jacks (Mic1, Mic2)Microphone ECHO/Volume/Treble/Bass ControlMusic Treble/Bass/Balance Rotary ControlCentral and Surround Volume ControlLight-on General Music Rotary Volume ControlLoudness On/Off Button(2) AUX Input Jack(1) Line Output(1) Subwoofer Signal OutputMain Speaker Banana Binding Post ConnectorSurround and Center Speaker Press-type Connector115/230V Switchable Power Supply Wireless Bluetooth Connectivity:Built-in Bluetooth for Wireless Music StreamingCompatible with All of Today’s LatestBluetooth Devices and NAS (iPhone, Androids, Smartphones, iPad, Tablets, etc.)Bluetooth Version: 5.0Bluetooth Network Name: ‘BT”Bluetooth Network Password: NoWireless Range: Up to 40Ft What’s in the Box: (1) Amplifier Unit(1) Remote Control(1) FM Antenna Technical Specs:RMS Power Output: 35W2+20W+15W2 RMSFrequency Response: +/-3dB, 100Hz-20kHzImpedance: 4/8/16 OhmT.H.D.: <1.0%S/N Ratio: >90dB, Mic <80dB, Line>80dBMicrophone sensitivity: 10mVUSB/SD Flash Memory Support: Up to 32GBDigital File-type Playback Support: MP3, WMA, WAVRemote Control Battery: (1) x 3V Lithium Button Cell CR2025 (Included),Power Supply: 115V/230V SwitchableDimensions (L x W x H): 16.9’’ x 9.4’’ x 2.76’’ –inches