Receiver: HIFI 2.0 Channel Audio Amp Design Bluetooth Wireless Audio Streaming Ability USB Flash & SD Memory Card Readers FM Radio with Big Digital LED Display Aux (3.5mm) Input Jack Connect & Stream Audio from External Devices Multi-Source RCA (L/R) Audio Input Connectors (2) 1/4 ...Receiver: HIFI 2.0 Channel Audio Amp Design Bluetooth Wireless Audio Streaming Ability USB Flash & SD Memory Card Readers FM Radio with Big Digital LED Display Aux (3.5mm) Input Jack Connect & Stream Audio from External Devices Multi-Source RCA (L/R) Audio Input Connectors (2) 1/4 Microphone Inputs 1) 1/4 Headphone Outputs (2) Pairs RCA (L/R) Audio Input Connectors (1) Pair RCA (L/R) Audio Output Connectors Combo Screw-Type Banana Plug Speaker Jacks Front Panel Button Control Center Independent Input Source Select-able Bass, Treble, Balance, Source Volume Adjustable Unique 'Folder /Track ' Music Search Control Knob Built-in Wireless Music Streaming Receiver Bluetooth Version: 5.0 Wireless Range: 45+ ft. RMS Power Output: 300 Watt x 2 @ 8 Ohm Construction Material: Metal, Aluminum Alloy Panel Frequency response: 20-20KHz, +/-2dB S/N Ratio: >85dB T.H.D.: <1.0% Input sensitivity: 200mV Maximum USB Flash & SD Memory Card Support