DavidClark.com
Contact Us
Sales Contacts
Request Information
Directions
Employment
Register Product
Dealers Only
Follow Us
Facebook
Twitter
YouTube
Linked-In
Google+
(800) 298-6235
outside US:
(508) 751-5800
Home
Gateways
U9911-BSC
U9920-GPB
U9921-GUV
U9922-G38
U9925-GEM
Belt Stations
U9910-BSW
U9913-BSW
more
Headsets
DC 9690
H9910
H9930
H9935
H9940
H9941
H9975
H9980
H9985
H9990
Parts / Accessories
Cord Assemblies
Antennae
Batteries/Chargers
Miscellaneous
Downloads
Application Flyers
Data Sheets
Specification Forms
User Manuals and Installation Sheets
Instructional Guides
Headset Spare Parts
NRR/Use and Care Instructions
Product Reference Sheets
News
Fire/EMS
Marine
Ground Support
Mobile Unit
Military
Contact Us
System Components
U9910-BSW (Belt Station)
U9913-BSW (Belt Station)
U9911-BSC (Gateway)
Headsets
H9910
H9940
H9941
H9975
H9980
H9990
Accessories
Batteries/Chargers
Miscellaneous Accessories
System Configuration
Downloads
Model H9940
Headset-Mic, Behind-the-Head, Dual-Ear
Dual-ear, behind-the-head style for use in high-noise environments. Provides maximum comfort and clear, reliable communication.
click to enlarge
Features
Designed for use under protective headgear
Rugged construction, all hardware mobile-grade stainless steel
Dynamic earphones with stainless steel retainers
M-2 dynamic microphone, water-resistant protection and superlative noise cancelling
Hybrid wire-flex boom for precise mic placement
Dual-volume control on domes for preferred listening level
Undercut, comfort-gel ear seals
Adjustable overhead support assembly
Certified NRR: 23 dB
Parts List
Data Sheet, H9940
NRR Sheet H9940