＊ Frequency response: 100 ~ 16000Hz
＊ Sensitivity: -40 ± 2dB
＊ Pickup distance: 20 ~ 80cm
＊ Unit from the system host power supply, input

   voltage is DC18V, range is safe.
＊ Units speak with the speed and light, can speak

   freely control the state.
＊ Boot speech, while the red light ring light, can

   speak clearly indicate the location.
＊ Condenser microphone using core microphone tube

   used to bypass design, and with replaceable

   windscreen.
＊ Using daisy-chained.
＊ Dimensions: 143mm x 135mm x 435mm