Whisper radio tour guide system earpiece receiver M1

Earpiece receiver for the tourists and audience

  • M1
  • Customized


M1 works as radio earpiece receiver.

Matched with 60DT (transmmitter+receiver) and 60DTR (transmmitter+receiver).

It is used in a single and double transmitter circumstance.


Working mode: Digital QPSK;  frequency range: UHF (customizable); channel number: 44CH

Channel interval: 1MHz; working current: 40 mA

Frequency response range: 20Hz-10KHz; distortion: <1% 

SNR: 100dB; output/input interface: built-in speaker; battery capacity: 350mAH

Charging current: 260mA; weight: 17g 

Effective distance: 150m; accessories: hook and small covering

Recent customer cases;
we appreciate every meeting with our customers.