Pyle Model : PDA8BU 5 Channel Audio Amplifier Multi-Source 1/4” Audio/Microphone input USB/SD Readers/ FM radio, Built-in Bluetooth for Wireless Audio Streaming Features: 5.1 Genuine Channel Amplifier System Big VFD screen display with Frequency level light Built-in Bluetooth for Wireless Audio Streaming Auto Scan, Memory, Radio Station PREVIOUS/NEXT Control MP3 Digital Audio File Playback SD Memory Card & USB Flash Drive Readers (2) 1/4’’ Audio Input Jacks (Mic1, Mic2) Microphone ECHO/Volume/Treble/Bass Control Music Treble/Bass/Balance Rotary Control Central and Surround Volume Control Light-on General Music Rotary Volume Control Loudness On/Off Button (2) AUX Input Jack (1) Line Output (1) Subwoofer Signal Output Main Speaker Banana Binding Post Connector Surround and Center Speaker Press-type Connector 115/230V Switchable Power Supply Wireless Bluetooth Connectivity: Built-in Bluetooth for Wireless Music Streaming Compatible with All of Today’s Latest Bluetooth Devices and NAS (iPhone, Androids, Smartphones, iPad, Tablets, etc.) Bluetooth Version: 5.0 Bluetooth Network Name: ‘BT” Bluetooth Network Password: No Wireless Range: Up to 40Ft What’s in the Box: (1) Amplifier Unit (1) Remote Control (1) FM Antenna Technical Specs: RMS Power Output: 35W*2+20W+15W*2 RMS Frequency Response: +/-3dB, 100Hz-20kHz Impedance: 4/8/16 Ohm T.H.D.: <1.0% S/N Ratio: >90dB, Mic <80dB, Line>80dB Microphone sensitivity: 10mV USB/SD Flash Memory Support: Up to 32GB Digital File-type Playback Support: MP3, WMA, WAV Remote Control Battery: (1) x 3V Lithium Button Cell CR2025 (Included), Power Supply: 115V/230V Switchable Dimensions (L x W x H): 16.9’’ x 9.4’’ x 2.76’’ –inches