Earmor M20T - Certification and Attenuation Data; NRR Rating; Product and Accessories; Earmor M20 T Earpiece Components

A pair of M20T Wireless BT5.3 earbuds hearing protection
A pair of medium ear cover & ear tips
1× Portable Charging Case
1× Retention cord
1× Type-c data cable
A pair of small ear cover & foam ear tips
A pair of large ear cover & foam ear tips
1× user manual
PRODUCT AND ACCESSORIES
PRODUCT COMPONENT
:
EARPIECES
1.Power / Mode Button
2.Microphone
3.Charging contacts
4.Earpieces cap
5.Eartips
EARMOR M20T is tested and certified according to the following standards
ANSI S3.19-1974, EN 352-2:2002, EN 352-5:2002, EN 352-7:2002, EN 352-9:2002
NRR: 26dB
M20T attenuation data, according to the specifications of the American National Standards Institute ANSI
S3.19-1974
TEST FREQ.(HZ)
125 250 500 1000 2000 3150 4000 6300 8000
NRR
MEAN
ATTENUATION(DB)
34.4 30.2 34.3 35.7 38.4 41.5 43.7 45.5 45.1
26
STANDARD
DEVEATION(DB)
5.9 5.1 5.5 4.7 4.1 2.7 5.3 4.8 5.7
4
5
3
1
2