left/RIGHT
5
Materials
GB
Headband version
H = 31 dB, M = 25 dB, L = 17 dB, SNR = 28 dB, NRR = 25 dB
Helmet mounted version
H = 29 dB, M = 23 dB, L = 16 dB, SNR = 26 dB, NRR = 24 dB
2.2
North America
The product meets with requirements of FCC 47 CFR PART 15
Certificate issue by Emitech, 3, rue des Coudriers - CAP 78 - ZA de l’Observatoire - 78180 MONTIGNY LE
BX - France
Attenuation Data
Attenuation measurements have been performed according to the American National Standards Institute
(ANSI) specifications, ANSI S3.19-1974. Certificate issue by Michael & Associates
NRR (Noise Reduction Rating) = Headband: 25dB, Helmet mounted: 24dB
3
Materials
f (Hz)
63
125
250
500
1000
2000
3150
4000
6300
8000
Mf (dB)
13.9
13.7
18.1
27.1
34.0
32.1
38.4
40.1
41.8
38.1
Sf (dB)
5.1
3.2
2.0
3.3
4.1
4.2
4.8
4.4
3.5
3.5
APV (dB) 8.8
10.5
16.2
23.8
29.9
27.9
33.6
35.7
38.3
34.6
f (Hz)
63
125
250
500
1000
2000
3150
4000
6300
8000
Mf (dB)
12.7
13.7
16.2
24.3
31.2
32.2
33.0
36.4
35.5
31.6
Sf (dB)
3.5
4.0
2.9
3.1
4.5
5.2
2.9
3.0
2.9
4.4
APV (dB) 9.2
9.7
13.4
21.2
26.7
27.0
30.1
33.4
32.6
27.2
left/RIGHT Wireless World
left/RIGHT Wireless World Dual
ANSI S3.19-1974
X
X
Part
Materials
Part
Materials
Cup
ABS
Microphone arm
Polyamide
Cover
ABS
Height adjustment bushings
TPE
Headband
Acetal
Spring cover
TPE
Headband fork
Polyamide
Bluetooth button
TPE
Helmet fork,
Helmet attachment
Polyamide
Attenuation foam (inserts)
Polyurethane
Spring bracket
Polyamide
Cushions
Polyurethane, PVC