Product name:

Hot sale 12V rechargeable battery backpack dual speakers with aux input D4

Product model:D4

Features:

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

Specifications:

Built-in rechargeable battery,support SD/USB/MP3,wired headset,audio input;

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

Power:120 W;

Speaker:4 inches*1;

Battery:12V 2800MA;

impedance:4 Ω;

Sensitivity: 90 DB;

Frequency response range: 60Hz-20KHz;

Distortion factor:0.15%;

Color:Black;

Size: 310*100*200 (mm);

Package:Color carton box;

Accessories:wired headset,remote control,power cord.