wireless speaker

Our indoor/outdoor wireless speaker Low wireless cost,Transmitting distance up to 100feet(max)

 Features:
            1.RS40 wireless speaker 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 , distance up
      to 100feet(max) 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.
      8.Frenquency 40.66MHz,or 49.86Hz.
      Characters:
           High Security and String-frequency Resistance
           Interference Resistance
           Better antihowling performance
           Better Mobility
      Wireless speaker system build in one FM transmitter(DC9V) and FM receiver
      (DC12V) with 12 watts(5 subwoofer) + 2 watts (1.2 tweeter)
      amplifier.Simply power on/off button switch and rotory volume control on
      top panel with blue LED mood-light illuminate the speaker for use at
night.
      Simply connect the transmitter to any audio device with an output jack
      using the supplied cables and turn on the speaker then enjoy your favorite
      audio anywhere around the house or outside.