1.advanced tape for recording and playing, high-class playback head made of titanium alloy.
2.The sound of the single portable sound box cover with the scope widely.
3.The simple set of storage battery inside is easy to change and maintenance.
4.Internal storage battery, it is easy for using in the open air.(The charging time of
  the new battery must be more than 6 hours at the first time)
5.Wireless microphone and wireless emitter can use 9V battery or 8.4V storage battery.
6.Quartzose concussive circuitry, frequency is steady-going and  strong anti-jamming.
7.Digital reverberation, control knob can adjust the effect of the sound, it can be achieved .
8.Internal antenna, avoid breaking off.
9.Indicator light of frequency spectrum display the change of frequency.
10.The frame which is made of high density mid-fiberboard is burly and Enduring.
11.Portable amplifier is moved expediently inside or outside the door.

Specifications:
Power：                   DC±12Vinsert12V/12AHzstorage battery
Speaker：                 10 inch woofer / clarion tweeter
Channel：                 wireless microphone
Range of frequency:       VHF215-265MHz
Sensitivity：             10dBuV(S/Nor up to60dB)
Size:                     (L*W*H)44X42X63.5cm
Weight:                   21.7Kg
Power output:             160W
Max distortion:           ≤2%