support USB/SD/MP3;
Voltage:12V;
Maximum power:30W;
Impedance: 4 ohm;
Sensitivity:90DB;
Frequency range:60Hz-12Khz;
Distortion:0.15%;
Color:Red,blue,green,purple;
Size:95*200mm;
Accessories:Remote control,power cord;
Package:Color box,30PCS/CTN.