This item is sold by
Please sign in so that we can notify you about a reply
Description
SNR : 21 dB H : 25 M : 17 L : 15 Hz Fréquence 125 250 500 1000 2000 4000 8000 dB Affaiblissement 21.9 20.4 20.5 23.1 32.1 41.0 38.6 dB Ecart type 6.5 6.2 7.4 5.5 5.3 7.5 8.7 Protection effective 15.4 14.2 13.1 17.6 26.8 33.5 29.9
