DETAILSFeatures: 6-Channel Amplifier System Compact Desktop Audio Receiver Design Built-in Bluetooth for Wireless Audio Streaming FM Radio Tuner with Digital LED Display Front Panel Button Control Center Audio Source Input Mode Selector Connect & Playback Audio from External Devices MP3 Digital Audio File Support USB Flash Drive & SD Memory Card Readers (2) 1/4 Microphone Input Jacks Built-in Microphone Talk-Over Function (MIC1 Only) Push-Type Speaker Connectors Aux (3.5mm) Input Jack Audio Input RCA (L/R) Connectors REC + Subwoofer Output RCA (L/R) Connectors Headphone Jack with Independent Volume Control Short Circuit & Over Voltage Protection Audio Configuration Settings: Treble Bass Master Volume Echo Mic Volume Mic Tone Convenient Audio Source Control for Home or Office Use Bluetooth Connectivity: Simple & Hassle-Free Pairing Instant Wireless Audio Streaming Ability Works with All of Today’s Latest Bluetooth Devices (iPhone Android Smartphone iPad Tablet PC etc.) Bluetooth Network Name: PYLEUSA Bluetooth Version: 4.0 Wireless Range: Up to 40’+ ft. What’s In The Box: Audio Amplifier Remote Control FM Antenna Technical Specs: Power Output: 600 Watt MAX Amplifier Design: 6-Channel Impedance: 4-8 Ohms Frequency Response: 20Hz-20kHz Signal to Noise Ratio: >81dB T.H.D.: <0.3% Radio Station Memory: 30 Station Presets Digital File-type Compatibility: MP3 WAV Maximum USB/SD Flash Support: Up to 32GB Remote Control Battery: (1) x ‘CR-2025’ Button Cell (Included) Power Cable Length: 4.2’ ft. Power Supply: 120/240V Switchable Dimensions (L x W x H): 16.9’’ x 9.84’’ x 3.54’’ –inchesWhats In The BoxAudio Amplifier Remote Control FM Antenna | Pyle | | Bluetooth Home Audio Source Amplifier | Black | Best Buy