81
31850
EARLINE
®
• EAR MUFFS
• Battery powered, active, noise level dependent electronic
ear muffs • Speech is audible, but the electronics switches to
passive mode if the ambient noise level exceeds 82dB • Flexible,
reinforced, ABS ear cups, color: yellow • Comfortable, leather-
like PVC cushioning on the inside • Head girth and height
adjustable with a metal band •
SNR:
31dB • Weight: 274g
EU standard: EN352-1, EN352-4
31850
MAX 800
Frequency (Hz):
63 125 250 500 1,000 2,000 4,000 8,000
Average reduction (dB)
17.9 19.1 22.0 32.9 36.0 34.5 36.2 37.0
Deviation of measurements (dB) 3.9 3.3 4.2 2.1 3.5 3.3 3.0 4.0
Confirmed reduction (dB)
14.0 18.8 17.8 30.8 32.5 31.5 33.2 30.0
SNR: 31dB H: 33dB M: 28dB L: 21dB
• Passive ear muffs with built in stereo FM radio receiver • Flexible,
reinforced ABS ear cups, color: gray •Comfortable, leather-like PVC
cushioning inside • Head girth and height adjusted by a metal band
• Simple and practical controls, audio input • Universal use,
long service life •
SNR
: 25dB • Weight: 350g
EU standard: EN352-1, EN352-8
31820
MAX 800 FM
Frequency (Hz):
63 125 250 500 1,000 2,000 4,000 8,000
Average reduction (dB)
14.0 10.9 14.4 23.9 32.1 33.2 34.3 38.3
Deviation of measurements (dB) 6.2 3.0 2.9 3.2 4.0 3.6 2.1 3.5
Confirmed reduction (dB)
7.8 7.9 11.5 20.7 28.1 29.6 32.2 34.8
SNR: 25dB H: 31dB M: 22dB L: 14dB
31070
• Flexible, reinforced ABS ear muffs, color: blue/red • Features
an adjustable head or nape band, which makes it compatible
with helmets or welding screens • Comfortable, leather-like PVC
cushioning on the inside • Adjustable head girth and height
•
SNR:
30dB • Weight: 234g
EU standard: EN352-1
31070
MAX 700
Frequency (Hz):
125 250 500 1,000 2,000 4,000 8,000
Average reduction (dB)
14.9 21.2 28.1 34.3 32.7 39.7 36.3
Deviation of measurements (dB)
3.1 2.8 2.7 2.4 2.3 2.6 4.4
Confirmed reduction (dB)
11.8 18.4 25.4 31.9 30.4 37.1 31.9
SNR: 30dB H: 33dB M: 27dB L: 19dB
31820
