1.Set the transmitter,receiver,amplifier,and speaker as a whole.

      2.Plug and play

      3. Has the independent volume control ,and easy to operate.

      4.It is applicated in the classroom of 50-80 persons ,and the area of

35sq.meters can receive the signal.

      5. Wireless install,just turn on the power.

      6. Has the functions of audio output, input,high and low volume ,digital

echo     

      7.A group of out-fitted wired microphones input.

Characters:

     High Security and String-frequency Resistance

     Interference Resistance

     Better antihowling performance

     Better Mobility

     Healthy