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Hearing Protectors

David Clark Company Inc. has been the pioneer in circumaural hearing protection from its inception as deck crew protection on aircraft carriers just after WW II. It has been, and is our pride to offer the finest hearing protection available incorporating the highest standards of quality and durability. There are none finer!
Model 10A
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Model 10A

Over the Head Style (OTH)

Noise Attenuation Data
NRR
23 dB
Frequency (Hz) 125 250 500 1000 2000 3000 4000 6000 8000
Attenuation (dB) 16.6 20.7 27.4 33.0 30.5 36.2 38.1 36.6 36.6
Standard Deviation 2.6 2.5 2.5 2.6 3.1 3.5 3.7 3.7 3.6
Model 19A
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Model 19A

Over the Head Style (OTH)
  • Over-the-Head Hearing Protector.
  • Wide Foam Filled Ear Seals for Maximum Comfort.
  • Low Profile Ear Cups - Color: Dark Green.
  • High Quality Chrome Plated Hardware.
  • Comfortable Foam Headpad.
  • Adjustable Headband for Optimum Fit.
  • Certified NRR of 27dB
    Parts List / Schematic
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Noise Attenuation Data
NRR
27 dB
Frequency (Hz) 125 250 500 1000 2000 3000 4000 6000 8000
Attenuation (dB) 17.6 25.0 30.9 33.9 36.9 38.4 39.0 37.7 35.7
Standard Deviation 1.9 3.0 2.2 1.3 1.5 2.1 2.1 2.5 2.2
Model 27
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Model 27

Over the Head Style (OTH)
  • The Model 27 Combines Comfort Durability and Quality construction with Superior Low frequency noise attenuation.
  • Assembled by means of bolts and self-locking cadmium plated nuts.
  • Premium Quality chrome plated steel headband, in accordance with demanding Government specifications.
  • Closed cell, nonabsorbent bump cushion with protective outer support
  • Foam-filled ear seals for perfect fit, best noise attenuation, and unequaled comfort.
  • Ear cups of top quality, high impact ABS, made extra rigid by patented ribbed construction.

Parts List / Schematic
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Noise Attenuation Data
NRR
22 dB
Frequency (Hz) 125 250 500 1000 2000 3000 4000 6000 8000
Attenuation (dB) 22.9 26.4 26.1 31.0 31.5 33.6 35.5 35.8 35.8
Standard Deviation 3.8 3.5 3.7 3.7 3.3 4.2 4.7 4.9 4.3
Model H8542
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Model 310

Behind the Head Style (BTH)
  • Excellent Attenuation
  • High Quality Chrome Plated Hardware
  • Low Profile Ear Cups - Color: Red
  • Wide Foam Filled Ear Seals for Maximum Comfort
  • Adjustable Headband for Optimum Fit

Headband adjusts to three positions

Parts List / Schematic
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Noise Attenuation Data Over The Head
NRR
23 dB
Frequency (Hz) 125 250 500 1000 2000 3000 4000 6000 8000
Attenuation (dB) 16.6 20.7 27.4 33.0 30.5 36.2 38.1 36.6 36.6
Standard Deviation 2.6 2.5 2.5 2.6 3.1 3.5 3.7 3.7 3.6
Noise Attenuation Data Behind The Head
NRR
23 dB
Frequency (Hz) 125 250 500 1000 2000 3000 4000 6000 8000
Attenuation (dB) 16.6 20.7 27.4 33.0 30.5 36.2 38.1 36.6 36.6
Standard Deviation 2.6 2.5 2.5 2.6 3.1 3.5 3.7 3.7 3.6
Noise Attenuation Data Under The Chin
NRR
24 dB
Frequency (Hz) 125 250 500 1000 2000 3150 4000 6300 8000
Attenuation (dB) 18.3 23.3 30.9 35.3 36.3 42.9 43.2 42.3 41.4
Standard Deviation 3.7 3.7 3.9 4.4 2.8 3.1 3.1 2.7 3.9
Model 805V
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Model 805V

Behind the Head Style (BTH)
  • Designed to be worn Behind-the-Head only.
  • Excellent Attenuation.
  • Wide Foam Filled Ear Seals for Maximum Comfort.
  • Low Profile Ear Cups - Color: Light Green.
  • Durable Black Epoxy Finish Hardware.

Parts List / Schematic
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Noise Attenuation Data
NRR
23 dB
Frequency (Hz) 125 250 500 1000 2000 3000 4000 6000 8000
Attenuation (dB) 16.6 20.7 27.4 33.0 30.5 36.2 38.1 36.6 36.6
Standard Deviation 2.6 2.5 2.5 2.6 3.1 3.5 3.7 3.7 3.6
ENC Hearing Protector
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ENC Hearing Protector

Over the Head Style (OTH)
  • Over-The-Head style
  • Based on Model 19A with certified NRR of 27dB
  • An extra 17-22db at lower frequencies with ENC turned on
  • ENC function controlled by rotary on-off switch on dome
  • Patented Undercut Comfort-Gel ear seals
  • 22.5 oz with batteries
  • Comfortable, low-tension headband assemblies
  • Dual 9-volt battery packs provide up to 30 hours of continuous use
  • NSN 4240-01-549-4861

Parts List / Schematic
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Noise Attenuation Data
NRR
23 dB
Frequency (Hz) 125 250 500 1000 2000 3000 4000 6000 8000
Attenuation (dB) 16.6 20.7 27.4 33.0 30.5 36.2 38.1 36.6 36.6
Standard Deviation 2.6 2.5 2.5 2.6 3.1 3.5 3.7 3.7 3.6
Model 10S/DC
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Model 10S/DC

Over the Head Style (OTH) | Stereo Listen Only
  • Stunning stereo output
  • Newest Undercut, Comfort Gel Ear Seals
  • Super-Soft, Double-Foam Headpad
  • Dual volume controls
  • Lightweight, 6 ft. extended coil cord
  • Terminated with commonly-used 3.5mm stereo plug
  • Both 1/4-inch plug adapters (mono & stereo) included
  • Earphone elements are hi-fidelity, dynamic with a range of 10-20,000 Hz.
  • NRR 23dB

Parts List / Schematic
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Noise Attenuation Data
NRR
23 dB
Frequency (Hz) 125 250 500 1000 2000 3000 4000 6000 8000
Attenuation (dB) 16.6 20.7 27.4 33.0 30.5 36.2 38.1 36.6 36.6
Standard Deviation 2.6 2.5 2.5 2.6 3.1 3.5 3.7 3.7 3.6