H9940 Wireless Headset | Dual Ear, Behind the Head Style, M-87 Mic, Dual Volume Control
Product Description
The H9940 dual-ear, marine-grade, wireless headset is designed to be worn under protective head gear with its behind-the-head style design. It provides excellent comfort, as well as clear and reliable communication. The H9940 can be used in extreme noise environments up to 125 dB. The 9900 Series headsets are designed to be used with the Series 9900 wireless belt stations and wireless push-back gateway.
The Series 9900 Wireless Intercom System is the perfect solution for ground support communications in demanding, high-noise environments such as airline and airport operations, fire and rescue applications, or any application requiring robust, reliable, and secure communications. This system is ideal for push-back operations, wing-walkers, marshalling agents, maintenance mechanics, and de-icing operations. The 9900 wireless system consists of the push-back gateway, wireless belt stations, and any Series 9900 wireless headsets.
Features
- Provides crisp and clear communication in demanding environments
- Marine-grade, stainless steel hardware for rust and corrosion resistance
- M-87 type dynamic microphone is noise canceling and immersion-proof
- Hybrid hinged wire/flex mic boom places microphone in the perfect position
- Dual Dynamic earphones with titanium nitride drivers and stainless steel retainers
- Water-tight, dual volume controls for independent left and right gain setting
- 6-feet extended coil cord with a military grade, 7-pin Belt Station connector
- Undercut, comfort-gel ear seals provide unsurpassed comfort and enhanced noise-attenuation
- Nylon overhead support assembly with hook and loop adjustment fits all head sizes
- Reversible hardware with 280 rotatable mic boom provide left or right microphone positioning
- Passive noise attenuating rating of 23 dB
Specifications
Weight:
16.3 oz (462 g)
Comm Cord:
6 ft Coil, with MAP-57-50 Connector
Certified NRR (3rd Party):
23 dB
Dome Type:
Lightweight, ABS
Hardware:
Stainless Steel (18-8)
Potentiometer:
220 Ω ± 20% (2 each)
Ear Impedance:
35 Ω ± 10% @ 1 kHz
Ear Sensitivity:
100 dB SPL/1 mW @ 1 kHz
Ear Frequency Response:
20 Hz to 20 kHz
Microphone Principle:
Dynamic
Microphone Impedance:
5 Ω (nominal)
Microphone Sensitivity:
325 uV ± 6 dB into 5 Ω load @ 1 kHz for 114 dB SPL input
Microphone Frequency Response:
150 Hz to 8 kHz
Product Codes
- Mfr Part No:40991G-01
- EDMO #:H9940
- Brand:DAVID CLARK COMPANY
- Category:Headsets & Intercoms