Product name:

Professional 12V rechargeable battery backpack speaker with aux input 5" speaker D3

Product model:D3

Features: 

Purpose: karaoke,dancing,old people doing morning exercises,entertainment,outdoor guitar playing,teaching and lecture,broadcast,evening party,ect;

Specifications:

FM radio,Built-in rechargeable battery,support SD/USB/MP3,wired and wireless headset;

Audio input,fission power amplifiers with three kinds of use;

Power supply: 12V-24V-110V-220v;

Power:120 W;

Speaker: 5inches*1;

Impedance:4 Ω;

Sensitivity: 90 db;

Frequency response range: 60Hz-20KHz;

Distortion factor:0.15%;

Size: 310 * 100 * 200 (mm);

Package:Color carton box;

Accessories: wireless headset microphone,remote control,power cord.