Battery Speaker

We are offering battery speaker.
Specifications
frequency response: 30hz-20khz; rated power: 80w;
distortion: 105db (1w 1m); impedance: 4ω;
built-in signal source: 12 key reader: usb sdmmc,
wireless microphones: single transmitter, single reception, with remote control, digital display, recording, (bluetooth), radio and folders function;
power supply (ac dc and external dc): 220v 50-60hz, built-in dc 12v, 5ah, external 12v dc battery charging can be used for 3-4 hours;
speaker unit: a 1.5-inch neodymium tweeter, a 6.5-inch high magnetic bass;
menu: chinese menu;
case: high quality plastic body & iron;
size: 240mm * 220mm * 320mm; weight: 3.5kg