9 LABORATORY ATTENUATION
Foam eartips (active)
EN 352-5:2002 + A1:2005
Silicone eartips (active)
EN 352-5:2002 + A1:2005
Frequency (Hz)
63
125
250
500 1000 2000 4000 8000
42
42
36
29
25
30
34
43
5
5
4
5
5
5
6
4
37
37
32
24
20
25
27
39
Mean Attenuation (dB)
Standard Deviation (dB)
APV (dB)
Frequency (Hz)
63
125
250
500 1000 2000 4000 8000
41
46
36
27
23
25
29
36
7
7
7
6
5
6
6
6
34
39
29
21
17
18
22
29
Mean Attenuation (dB)
Standard Deviation (dB)
APV (dB)
SNR
H
M
L
26
25
22
24
SNR
H
M
L
22
20
19
20
QuietOn_userguide_EN_23012018_print.pdf 16 23.1.2018 12:25:54