Noise
Reduction
Rating
DECIBELS
25
(WHEN USED AS DIRECTED)
THE RANgE oF NoISE REDUCTIoN RATINgS
FoR ExISTINg HEARINg pRoTECToRS
IS AppRoxImATELy 0 To 30
(HIgHER NUmBERS DENoTE gREATER EFFECTIvENESS)
ETymoTIC RESEARCH, INC.
ELK gRovE vILLAgE, IL 60007
LABEL REQUIRED By
U.S. E.p.A. REgULATIoN
40 CFR part 211, Subpart B.
Federal law prohibits
removal of this label
prior to purchase.
mp-9-15
EPA
Passive Attenuation
Frequency (Hz)
125
250
500 1000
2000 4000 8000
Mean Attenuation (dB)
25.3
24.0
24.3
25.6
29.6
32.5
34.8
Standard Deviation (dB)
5.9
4.6
5.6
4.8
3.3
3.8
4.0
APV (dB)
19.4
19.5
18.8
20.9
26.3
28.7
30.8
H = 26 dB M = 21 dB L = 20 dB SNR = 25 dB
Active Attenuation – Criterion Levels
Switch position
H-noise
M-noise
L-noise
(-15)
104
96
86
(-9)
99
93
85
H: Average attenuation characteristics in the high frequency spectrum (> 2 kHz)
M: Average attenuation characteristics in the mid frequency spectrum (0.5-2 kHz)
L: Average attenuation characteristics in the low frequency spectrum (< 0.5 kHz)
SNR (Single Number Rating): Average attenuation characteristics in the standard frequency spectrum
The European Union testing was conducted by:
Central Institute for Labour Protection—National Research Institute (CIOP-PIB)
ul Czerniakowska 16, 00-701 Warsaw, Poland. Notified Body No. 1437.
This product is in compliance with EN 352-2:2002 and EN 352-7:2002.
ETYMOTIC RESEARCH INC.
61 Martin Lane • Elk Grove Village, IL 60007
www.etymotic.com • 1-888-389-6684 • 847-228-0006
©
2012. Music
•
PRO, Musicians Earplugs, ACCU
•
Technology, ACCU
•
Fit, ACCU
•
Filter and LOBAT are trademarks of
Etymotic Research, Inc. ER098538-A
Summary of Contents for Music-Pro mp9-15
Page 1: ...User Manual English ...
