SNR = 21 decibels (dB)
Mean SNR = 23 dB
Tested according to EN 352-2:2020
1
Frequency Hz
2 Mean Attenuation dB
3 Standard Deviation dB
4 Assumed Protection in dB (APV)
SNR, H-, M- and L-values
2 Mean Attenuation dB
3 Standard Deviation dB
5 Value dB
Tested according to ANSI S12.68-2008
1 Frequency Hz
2 Mean Attenuation dB
3 Standard Deviation dB
1. Fréquences, Frequenz. 2. Atténuation moyenne, Mittelwert der Schalldämmung. 3. Déviation standard,
Standardabweichung. 4. Protection effective, Angenommene Schutzwirkung. 5. Valeur dB, Wert dB.
Noise
Reduction
Rating
The Noise Reduction Rating shows the range of protection expected from this protector in
normal usage. The lower number is the amount of protection possible for most users (80%)
to achieve or exceed. The higher number is the amount possible for a few motivated
proficient users (20%) to achieve or exceed. Higher numbers denote greater protection.
Alpine Nederland B.V.
Utrecht, The Netherlands
Federal law prohibits
removal of this label
prior to purchase
Produced by
Alpine Nederland B.V.
Europalaan 40, 3526 KS
Utrecht, The Netherlands
alpine.eu
Tested attenuation
19,7
23,5
Alpine PartyPlug Pro Natural
Label required by U.S.
EPA Regulation
40 CFR Part 211, Subpart B
Certified & monitored by
PZT GmbH #1974,
Bismarckstr. 264 B,
D-26389, Wilhelmshaven,
Germany
63
125
250
19,2
20,7
21,3
4,3
2,8
3,3
14,9
17,9
18,0
H = 20 M = 20 L = 19
SNR
H
M
23,3
22,9
22,3
2,4
2,7
2,8
21
20
20
125
250
500
20,7
20,8
20,4
3,4
3,5
3,1
Sizes (mm)
S (7/10)
M (9/12)
L (10/14)
500
1000
2000
20,8
23,5
27,1
3,6
3,9
4,7
17,2
19,6
22,4
L
21,5
2,7
19
1000
2000
4000
22,4
26,7
19,6
2,8
4,3
3,9
4000
8000
20,9
28,9
3,7
6,4
17,2
22,5
8000
28,2
6,4
v 025-01