Any Successful Event Requires Heavy Duty Speakers that are Powerful Enough to Reach the Entire Audience. These Speakers Deliver Durability, Flexibility, and Outstanding Audio Performance with Exceptional Range. The Speaker System is Perfect for Nightclubs, Home Entertainment, Seminars, or Any Other Venues and Events. 15″” High Efficiency Woofer. Built-in BT Compatible Allows Your Speaker to Work with BT Enabled Devices.Rechargeable Battery (12v/4.5A). USB and SD Inputs Allows You to Connect Your Non-BT External Audio Devices (support up to 16GB). FM Radio Moonlight Glow Visual Light Effect . 1 Mic Input (1 wireless mic included). 1 Guitar Input . AC Power Supply: 100v-240v/ 50/60Hz. DC Compatible (12V/4.5A). Built-in Handle and Wheels. Remote Control, 1 Microphone, & Stand Included. System Type: 15″” High Performance Speaker. Frequency Response: 50Hz-20KHz . Sensitivity (1w/1m): 75 3dB. Impedance: 4. Distortion: 1% 1KHz 1W . Peak Power Capacity: 600 Watts. Program Power: 80W. Stand Weight: 3.97 (lbs.). Red.