Acoustic Tubed Sound

Two Wire Tubed sound with transparent earpiece tube and microphone is ideal for semi covert operations or when presence of communications for Bodyguards, VIP Protection or Crowd control could be an asset. The microphone is integrated inside the PTT housing. The acoustic tube is supplied with two different size earpieces and can be worn Right Hand side or Left Hand by the user.





  • Designed for extended wear in active environments and is unique for VIP role
  • Lightweight frame for superior comfort and fit
  • Transparent Acoustic Tube with clip for shirt collar
  • PTT switch with integrated microphone
  • Superb receive audio quality


Mechanical Characteristics


Weight  45g
Operating Temperature -30 °C to +65 °C
Cable PVC
Cable Pull 30lbs


Electrical Characteristics (Microphone)


Type  Electret Knowles ref.
Sensitivity -53 @ 1KHz dBV
Frequency Response 100 to 10,000 Hz
Operating Voltage 1.5V to 10V
Impedance 2K2 ohms


Electrical Characteristics (Speaker)


Type  Sub-miniature Balanced Armature
Sensitivity (1kHz): 104+/- 2dB (0.7mA into 2cc coupler)
Max output 129dB (NIDS resistor is fitted by Sonic to control output level according to use.
Impedance (1kHz) 725Ω
DC Resistance 196Ω


Earpiece Cord (2mm Black pu)
Radio Cord (4mm in Black pu)


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