15" Professional Active Speaker with Bluethooth , USB/SD/MIC Inputs and FM Radio 2-Way Professional Speaker with Mic included. 15" High Efficiency Mid-Low Woofer USB/SD Inputs Bluetooth Compatible Supports Up to 16GB with USB/SD Card FM Radio 2 Mic Inputs Guitar Inpu 5 Band EQ Mode Metal Grill Cover Titanium Dome Horn Driver PTC Driver Protect Crossover AC Power Supply: 110V/60Hz Remote Control Included 5 HR rechargeable battery life Specifications: System Type: 15" 2-Way High Performance Speaker Frequency Response (KHz): 30-20 Sensitivity (1w/1m): 85dB Impedance: 4 ohm Peak Power Capacity: 600 Watts RMS Power: 90W *2 Program Power: 600W Maximum SPL: 128dB Dispersion (@ 6dB): H90" x V50 Crossover: 2500 Hz High Frequency: 1.75 (44mm) driver 23 oz Low Frequency: 1 x 12 woofer, 3.0 vc, 60oz.