安全防护 耳罩
- 产品型号:
- JE301
- 原产地:
- 台湾
详细规格及用途描述
ELECTRONIC STEREO HEARING PROTECTION
SNR22dB/NRR27dB
Twin microphones provide stereo sound.
Not noly protects your hearing , but allows you to carry on a conversation and know waht is going on around you in a noisy environment.
LED indicator
On/Off volume control
Sensitive twin microphones
Powered by 2AA batteries (not included)
Over 150 hours
Sudden noise impulses at harmful levels are shut out immediately
Blocks out higher frequency, harmful noise, but allows passage of harmless sounds, especially those in speech frequency range
weak sounds can even be amplified, so you hear them better than you would without hearing protectors
Speakers shut down at noise levels above 85dB
SNR 22 dB CE EN352-1 EN352-4
NRR 24 dB ANSI S12.42 S3.19