material
CUFFIE E DISTANZIALI:
ABS termoplastico
FODERA IN SCHIUMA: Polietere
CERTIFICAZIONI
EN 352-3
ANSI S3.19
CSA Z94.2-02
SNR
SNR 31 dB (A): Plasma, HP, Quantum, Superplasma, Zenith X,
Zenith X2, Zenith X Max, Zenith X2 Max, Primero.
Frequency attenuation value: H 32 dB - M 30 dB - L 21 dB
SNR 28 dB (A): Zenith
Frequency attenuation value: H 30 dB - M 27 dB - L 20 dB
NRR