1.support USB 5V power supply,Built-in dual channel audio amplifier circuit, 3.5 stereo audio input interface head

2.3 W power quality power amplifier chip 3.Power 1000 UF / 10 V large capacitance filter              

4.Frequency Response:110HZ-18KHZ   

5.Output power :2*3W                   

6.Horn size ad specfication:52mm  4ohm