portable back bag type speaker

Specifications

Product name: portable back bag type speaker

Model no: SA-638

Main Technical specifications:

Product name: portable back bag type speaker

Model no: SA-638

Main Technical specifications:

1.      mobile way: back bag type

2.      with USB/SD card reader function

3.      with digital display

4.      with 2 roads microphone and 2 roads guitar input

5.      with volume control buttons

6.      voltage: AC 200V-240V(50-60Hz)

7.      Built-in DC12/one 4.5AH rechargeable battery. We can connect one battery 12V input

8.      Frequency range: VHF 210-270MHZ

9.      Frequency response:50Hz-18KHz±3DB

10.  Microphone distance:30-50M

11.  speaker box material: MDF  metal angle bead

Dimension: 200*380*280mm

Packing:4 pieces /carton

Remarks

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2.      We can add USB/SD function and FM function on multimedia speaker,mp3 speaker, speaker system, speaker part, speaker cable, professional speaker, active speaker

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6.      We can make pro speakerportable mp3 mini speaker, SD card speaker, hi fi speaker, usb laptop speakers, SD speaker about 50000 pcs per mont