Earmor M31 MOD3 - Technical Specifications and Support; Product Approval and Specifications

APPROVAL
Earmor M31 MOD3 is tested and approved in accordance with ANSI S3.19-1974
Standard at Guangzhou OPSMEN Tech Co., Ltd. China.
Internal level dB(A)
Earmor M31 MOD3 Attenuation data according to American National Standards
Institute Specifications ANSI S3.9-974(in passive mode, electronics switched off)
Audio input level
The audio level in the hearing protector is dependent on the audio input level.
To prevent harmful noise levels, the hearing protector audio level is limited to
82dB(A) when connected to a Personal Music Player. If the hearing protector is
connected to a PMP or other device with a very high output level, it is the user’s
responsibility to set the audio input level to a safe level.
TEST FREQ.(HZ)
125 250 500 1000 2000 3150 4000 6300 8000 NRR
MEAN
ATTENUATION(DB)
17.7 19.1 24.7 29.6 30.1 37.6 40.0 41.7 40.5
22
STANDARD
DEVEATION(DB)
3.1 1.9 2.3 2.3 2.2 3.2 3.4 2.7 3.1