Earphone helmets ТШ 4-Т-1, type Л, З
Produced according to specifications
УМЯИ.468624.199 ТУ

Designed for two-way communication as part of communication equipment in armoured vehicles in the condition of acoustic noise of up to 133 dB, as well as for protection against shocks and climatic factors.

Suitable for operation at temperatures from 50 ºС to 55 ºС and high relative humidity to 100% at temperature of 35 ºС.

  • available types: 

 summer - ТШ 4-Т-1 type Л

winter - ТШ 4-Т-1 type З

  • Built-in laryngophone headset with high noise protection is used in earphone helmet
  • available in three standard sizes
  • headset top colour is black
  • Four-pin or five-pin plug with 8 or 10 mm spacing between contacts is used for connection to communication equipment

The module of the input resistance of the receiving path at a frequency of 1000 Hz, Ohm 600±120
The output impedance module of the electro-acoustic transmission path at a frequency of 1000 Hz, Ohm 80±20
The output voltage of the transmission path at a sound pressure of 104 dB at a load of 600 Ohms, not less than, mV 1.0
Weight TSh 4-T-1 type L, g 850
Weight TSh 4-T-1 type Z, g 1000