RadioWorks Product Detail

  • David Clark MODEL H6020 Behind the Head Style (BTH) | Shielded Microphone

David Clark MODEL H6020 Behind the Head Style (BTH) | Shielded Microphone

  • 36 in., shielded 4-conductor straight cord
  • BTH style for applications requiring hard hats or protective headgear
  • Foam-filled ear seals for maximum comfort
  • Noise Reduction Rating (NRR): 23 dB
  • Noise-shielded M-77 electret microphone for clear communication in extremely noisy environments
  • Rugged construction

Noise Attenuation Data
NRR
23 dB Frequency (Hz) 125 250 500 1000 2000 3150 4000 6300 8000
Attenuation (dB) 14.1 21.9 29.4 32 29.7 35.2 36.2 38.1 37.4
Standard Deviation 2.5 2.5 3 2.7 2.2 1.7 2.5 2.9 2.8

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