Parietal headphone with PTT

Combination parietal microphone headset and a large PTT is ideal for use in fire brigades and rescue teams.



MAIN FEATURES:

- Top of the head with a microphone, clear sound
- Adjustable size with Velcro
- Simple installation and mounting in helmet
- Using NEXUS jack U-174 for connection with PTT
and onboard intercom helicopter
- Easy integration with keying button
- It does not restrict the use of oxygen masks

Technical Specifications:

Speaker:

Diameter - 23 mm
Impedance - 32 Ohms ± 15% at 1000Hz
Operating consumption - 20mW
Maximum consumption - 30 mW
Sound level - 133 ± 3 db at 1 KHz, 10cm

Microphone:

Type - piezoelectric
Impedance - <2.2K Ohms
Sensitivity - -31 db ± 5 db at 1000Hz (0dB = 1 V / 0.316G)
Operating voltage - 2.5-10VDC

PTT connector ends meet customer needs. Options connectors in the PDF file.