Elvex Two-way Radios

Elvex AM/FM Radio Earmuffs, QuieTunes™

QuieTunes 660, A low cost AM/FM Radio Earmuff. Uses two AA alkaline batteries, provides about 150 hours of operation. Input jack that allows connection of auxiliary devices, such as MP3 players, CD-players and communications radios. CE EN-352-1:2002, Frequency, Hz 125 250 500 1000 2000 3150 4000 6300 8000 H M L SNR Mean attenuation, dB 12.9 17.6 28.5 29.3 31.4 36.7 40.6 40.5 39.3 31 24 16 27 Std. Deviation 3.3 3.3 2.9 4.0 2.7 4.0 3.6 3.6 4.0 Protection 9.6 14.3 25.6 25.3 28.7 32.8 36.9 36.9 35.3