PylePro PSBV200BT 5.0 Speaker System - 150 W RMS - Wireless Speaker(s) - Piano Black - 20 Hz - 20 kHz - Bluetooth - USB - PSBV200BT PSBV200BT * Piano-Black Finish Wooden Case & Front Panel Blue Backlight LCD Display * Bluetooth Wireless Audio Steaming capability from Most Bluetooth enabled devices * USB 2.0 Host & SD/MMC for external moving Hardrive/Flashdrive. Plays MP3, & WMA Music Formats * Aux1, Aux2, PC/MP3 Audio Inputs * Source Selection, Play/Pause/ Bluetooth/Standby/ Volume +/- On board Control * 5 Speaker Total: 1 x 5.25" Mid Woofer, 2 x 3" Full Range Speaker, & 2 x 1" Vocal Tweeter * Wireless Handheld Remote Control * Frequency Response: 20Hz-20KHz * Input Sensitivity: 800mV * S/N Ratio:&gt; 70dB * Channel Seperation Rate (1kHz):&gt; 40dB * Power Output: 300 Watts Peak / 150 Watts RMS * Woofer Impedance: 8 Ohm * Tweeter & Full Range Speakers: 4 Ohm THD (1kHz,1W,8Ohm): &lt;0.5% * Power Supply: DC 18V/2.5A