This pro digital rack-mount pre-amplifier features FM radio and Bluetooth connectivity. Unique recording mode that saves audio via USB/SD Port. This rack mount pre-amp has multi-source RCA (L/R) audio input and output connectors with microphone input jack and 2 XLR audio output jacks. Also an FM antenna for better signal reception. Includes a fully functional remote control. This unit runs on switchable 110/240V. Pyle has been in business for over 35 years and their manufacturing experience and expertise is easy to see - and hear. DETAILSFeatures: Rack Mount pre-amplifier Sound Receiver System Bluetooth Wireless Audio Streaming Ability Unique Recording Mode Saves Audio via USB/SD Port USB Flash & SD Memory Card Readers Aux (3.5mm) Input Jack Connect & Stream Audio from External Devices FM Radio with Digital LCD Display ID3 Tag Readout Displays Song Title Multi-Source RCA (L/R) Audio Input Connectors RCA (L/R) Audio Output Connectors Combo 1/4’’ / XLR Combo/Microphone Input Jack (2) XLR Audio Output Jacks Front Panel Button Control Center Independent Input Source Selectable Bass Treble Mid Balance Master Volume Adjustable Headphone Jack 3.5mm Bluetooth Connectivity: Built-in Wireless Music Streaming Receiver Compatible with All of Your Favorite Bluetooth Devices (iPhone Androids Smartphones iPad Tablets etc.) Bluetooth Version: 2.1 Bluetooth Network Name: BT Wireless Range: 25’+ ft. Whats in the Box: Remote Control FM Antenna Detachable Hardware Rack Mounts Power Cable Technical Specs: Rated Power input: 7W Input currency: 30mA Max power consumption: 15W Construction Material: Metal Aluminum Alloy Panel Frequency response: 20-20KHz +/-2dB S/N Ratio: >85dB T.H.D.: