Portable PA System with rechargeable battery Sturdy polypropylene enclosure yet compact and lightweight 250W Peak Power Class-D power amplifier (*mains powered) 8” woofer with 1” compression driver MP3 player with USB, SD Card and BT Go-Sound Air App Control on Android® and iOS® devices VHF Handheld Wireless Microphone Microphone/Line inputs 2-Band Graphic EQ Lithium Rechargeable Battery with up to 5-hour battery life 36 mm standard pole mount Handle on top Speaker Type Portable PA System with rechargeable battery Frequency response 70Hz-19KHz Max. SPL 107dB (Mains Powered) Transducers 8" Woofer; 1" Compression Driver Directivity (HxV) 90° x 40° - 60° Horn Type Asymmetric Amplifier 125W* Program, 250W* Peak Class-D (*Mains Powered) Controls Mic/Line level, VHF Mic Level, AUX/BT/MP3 level, AUX-MP3 Switch, Master level 2-Band Graphic EQ 20-100 Hz, 9K-20KHz (+/- 15dB) Connections Mic/Line Combo, AUX Stereo Mini Jack, Line Out L&R RCA Jack LED Indicators Power, Clip, Wireless Mic On, RF Mic, Battery Charge Media player USB, SD-Card, BT, LCD Display Media player controls Stop, Play/Pause, Next track, Previous track, Mode App Control Auxiliary BT connection to Go-Sound Air App for Andoid®/iOS® Mains 15VDC - 1.5A Add. Power (no charge function) DC12V Add. Power Connector DC12V Push-in Spring Terminal Rechargeable Battery 11.1V-2200mAh Lithium Battery (HKD-22 type) Battery Model Name HKD-22 Battery Size (WxHxD) T19mm*W56mm*L71mm Charge/Discharge Cycle 2 hours (max. volume) / up to 5 hours (standard use) Wireless Mic. Frequency VHF 175.00MHz Frequency Response 40Hz – 16kHz / ±3dB Transmitter Power 10mW Modulation Type FM Battery Voltage 3V (2x1.5V AA-Type Batteries) Continuous Using 7 hours Hand-held Mic. Size (W/DxH) Ø33 (min) - Ø48 (max) x 265 mm Hand-held Mic. Net Weight 0.218 kg (batteries included) Housing material Polypropylene