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Attenuation Data for Elvex Hearing Protection

All Elvex hearing protectors have been tested in accordance with ANSI S3.19-1974 by Michael & Associates, State College, Pennsylvania, a Certified attenuation testing laboratory (NVLAP Accreditation # 0427). The NRR data (used in the U.S.) is based on the test reports from these laboratories. NRR = Noise Reduction Rating (click here for formula).

SNR data reported is based on test reports performed by BIA, Berufsgenossenshaftlishes Institut für Arbeitssicherheit, in Sankt Augustin, Germany. Certified test laboratory, performing tests in accordance with current CE standard, EC-directive 89/686/EEC. SNR = Single Number Rating.

Product # Frequency, Hz 125 250 500 1000 2000 3150 4000 6000 8000 SNR NRR
Elvex Blue
EP-201/211
Mean Attenuation, dB
Std. Deviation, dB
35.0
4.7
38.0
4.4
37.2
3.7
36.7
3.4
35.8
2.6
40.3
3.2
40.7
4.1
41.3
4.3
42.5
4.7
N/A
29
Quattro
EP-400
Mean Attenuation
Std. Deviation
29.4
4.3
30.8
4.0
31.8
3.9
32.1
3.3
33.1
2.6
37.8
3.6
36.8
3.3
39.5
4.5
39.5
2.8
26
25
GelPods
GP-10
Mean Attenuation, dB
Std. Deviation, dB
28.5
4.6
25.2
4.0
22.3
3.5
22.1
3.5
31.8
3.2
38.1
2.9
39.3
3.8
40.8
3.0
39.1
3.8
22
18
GelCaps
GC-20
Mean Attenuation, dB
Std. Deviation, dB
33.5
4.5
31.9
4.6
31.2
4.6
29.6
4.1
36.7
4.7
42.5
4.7
42.5
5.3
42.2
5.1
41.8
4.5
23
23
ValueMuff
HB-25
Mean Attenuation, dB
Std. Deviation, dB
13.1
 2.0
19.8
1.7
29.3
1.8
37.6
1.8
36.7
2.0
33.3
2.2
36.3
2.9
36.6
4.0
35.6
2.1
28
25
MaxiMuff
HB-35
Mean Attenuation, dB
Std. Deviation, dB
17.6
2.0
24.1
2.0
32.6
2.4
39.9
3.2
37.6
2.6
37.0
1.9
37.9
2.6
40.0
2.2
40.2
2.4
30
28
Equalizer
HB-2000
Mean Attenuation, dB
Std. Deviation, dB
 18.6

2.6

 21.2

1.9

 34.0

2.2

 36.6

2.2

 36.8

2.5

 36.2

2.7

 37.6

2.5

 38.8

2.5

 38.7

2.1
N/A
27
SuperSonic
HB-5000
Mean Attenuation, dB
Std. Deviation, dB
17.7
1.7
24.7
1.8
35.0
2.1
38.5
2.0
38.1
3.0
37.4
2.5
40.7
2.0
41.5
3.1
42.4
4.0
33
29
CapMount
HM-2093
Mean Attenuation, dB
Std. Deviation, dB
11.5
2.8
17.4
2.8
29.9
3.1
32.4
2.5
36.6
2.5
38.4
2.3
39.8
1.9
37.0
2.7
37.9
2.7
N/A
25
CapMount
HM-2593
Mean Attenuation, dB
Std. Deviation, dB
15.2
2.0
19.0
2.4
30.7
2.5
35.0
2.7
35.1
2.8
35.2
1.6
32.6
2.2
35.8
2.7
36.2
3.5
N/A
24
CapMount
HM-6093
Mean Attenuation, dB
Std. Deviation, dB
19.2
1.5
20.9
1.6
31.6
2.4
36.8
1.6
38.1
2.3
40.0
2.2
42.8
2.9
43.1
4.0
40.6
3.3
N/A
27
CapMount
HM-8093
Mean Attenuation,
Std. Deviation, dB
17.2
1.8
23.4
1.8
35.4
2.1
36.3
1.7
38.3
2.8
36.5
2.3
39.9
2.7
42.2
2.7
42.0
3.0
N/A
28
QuieTunes
Com-260R
Mean Attenuation,
Std. Deviation, dB
17.6
2.6
22.3
2.2
29.3
2.6
34.3
3.1
32.9
1.8
33.6
2.2
36.5
3.2
39.7
2.9
39.5
2.1
 N/A 25
Com "Active"
Com-55
Mean Attenuation, dB
Std. Deviation, dB
16.7
2.4
19.0
2.0
30.8
2.2
36.9
2.1
36.6
3.0
37.4
2.4
39.5
2.6
43.3
2.8
43.6
2.5
29
25
Com "Active"
Com-65
Mean Attenuation, dB
Std. Deviation, dB
15.5
  3.2
17.2
  2.0
31.4
  2.8
31.9
  2.8
35.1
  2.5
36.8
  2.4
40.3
  3.7
44.8
  3.6
44.1
  2.0
N/A
23
Com Connect
Com-25
Mean Attenuation, dB
Std. Deviation, dB
16.7
2.4 
19.0
2.0
30.8
2.2
36.9
2.1
36.6
3.0
37.4
2.4
39.5
2.6
43.3
2.8
43.6
2.5
29
25
Relax FM
Com-75
Mean Attenuation, dB
Std. Deviation, dB
16.7
2.4 
19.0
2.0
30.8
2.2
36.9
2.1
36.6
3.0
37.4
2.4
39.5
2.6
43.3
2.8
43.6
2.5
29
25
Relax FM
Com-80R
Mean Attenuation, dB
Std. Deviation, dB
17.9
  2.1
22.1
  1.4
31.7
  2.6
37.2
  2.3
33.6
  1.8
31.7
  2.1
40.1
  2.2
41.7
  2.6
41.6
  3.3
N/A
27
React
Com-100R
Mean Attenuation, dB
Std. Deviation, dB
16.7
2.4 
19.0
2.0
30.8
2.2
36.9
2.1
36.6
3.0
37.4
2.4
39.5
2.6
43.3
2.8
43.6
2.5
29
25

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