Gillsen produce kinds of earmuffs for entertainmen
application such in shooting ,hunting and also industrial ear muffs for cutting
Adjustable application of wak sounds makes it suitable at shooting range and industry with high impulse noise,road maintenance,railway maintenance
Electronic Noise Blocking Earmuff
Sound active compression (SAC) reduces sounds to safe levels(≈85dB)Amplification 8 times to detect the ambient sounds if lower than 70dB1/8in(3.5mm) input jack/plug for portable audio devices such as MP4,Ipod etc.High fidelity stereo soundAdjustable headbandLight weightFoldable headband, easy for storageSoft padded ear cushionIndependent electronic circuit on both cups Powered by 2x1.5v AAA batteries on each cup over 300 hours lifetime(alkaline)Idea for shooter, hunter and worker involved in noisy surroundingATTENUATION DATA , NRR
Overall A Weighted Level=81
OSHA Adjusted NRR=21
Frequency HZ | 125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 |
Mean Attenuation(dB). | 1.0 | 15.5 | 22.2 | 24.6 | 33.7 | 32.4 | 29 | 39 | 39.3 |
Standard Deviation(dB) | 4.3 | 2.5 | 2.6 | 2.6 | 3.7 | 2.9 | 1.9 | 3.6 | 3.3 |
INSTRUCTION FOR USE
To gain best performance, keep the ear cushions seal firmly against your headTurn on the volume control and adjust to comfortable listening levelTurn off the control after usageRemove the discharged batteries then insert new batteries in right placeIMPORTANT NOTE
Keep the broken parts away from baby and kidExamine the earmuff at a frequent intervals Clean the earmuff at a frequent intervalsOPERATION
Extend headband and put the ear muff on head, then adjust the cups in acomfortable position
the switches to the ON position(when hear the “click”)Adjust volume using the control switches until hearing is at a normal andcomfortable level to meet your needs
Turn the switches to the OFF position when not in useTECHNICAL DATA-Electronic ear defender
Material of headband: Steel strip , PVC coverMaterial of ear cushion: PVC with foam insideMaterial of cup: ABSDimension of earmuff(folding): 11.5*11.5*10cmDimension of inner package: 24.5*15.7*10.5cmWeight of earmuff(batteries excluded):230gWeight of earmuff(batteries included):280gWeight after inner package(batteries excluded):270gWeight after inner package(batteries included):320gBattery type: two AAA batteries each sideBattery lifetime:250-300 hours(alkaline ones)industrial earmuff protector