David Clark Model 27
Ear protection 12452G-01, David Clark Model 27 Hearing Protectors, ear protection
This Over-the-head Style Deluxe Hearing Protector is a "David Clark" high quality hearing protector. It has superior noice attenuation in the low frequency range. The foam-cushion headpad and ear seals are easily replaceable.
|Noise Attenuation Data|
|NRR 27 dB||Frequency (Hz)||125||250||500||1000||2000||3000||4000||6000||8000|
Note: These are for hearing protection only and do plug into the aircraft's audio system