Paraorecchie di sicurezza riduzione rumore NRR 30 dB digitale AM FM radio stereo cuffie
Noise Reduction Level (NRR): 30 dB. -Soft and thick headband with low key appearance, comfortable fit, good toughness, make the earmuffs close to the ear. 1 x 0 Gauge input 3 x 0 Gauge Output Audio Power Ground Amp Distribution Block.