Superfire EP5 Sonic Defenders Max User manual
HEARING PROTECTION
HEARING PROTECTION
EP5 Sonic Defenders®
Max
Protection Against Two Types of Noise
Full-block EP5 Sonic Defenders
Max
provide protection against two types of
noise: continuous noise (example: loud roar of an engine) and impulse noise
(example: gunshot).
NOISE ATTENUATION DATA
WARNING: Improper fit of this device will reduce its effectiveness in attenuating noise.
Follow instructions for proper fit. Failure to follow instructions could result in hearing loss
and/or injury. EP5 Sonic Defenders
Max
fit most people; however, no hearing protection
fits everyone. If proper fit cannot be achieved following instructions, discontinue use.
NOISE REDUCTION RATING (NRR)
26
NRR
Test Frequencies (Hz)
Mean Attenuation (dB)
Standard Deviation (dB)
125
32.8
4.3
250
33.3
4.5
500
35.4
5.2
1000
32.8
3.6
2000
37.8
4.5
3150
39.3
3.8
4000
39.7
4.9
8000
46.0
3.6
6300
46.0
5.1
EP5 Sonic Defenders®Max
(when used as directed)
EP5 Sonic Defenders Max
ANSI S12.42-2010
IMPULSE NOISE LEVEL (dB)
132 dB Overall Average PIL
150 dB Overall Average PIL
168 dB Overall Average PIL
36.2
42.4
42.9
Average Peak Impulse Level dB Reduction
IMPULSE NOISE DATA
NOISE REDUCTION (dB)
EP5 Impulse Noise Reduction
45
40
35
30
25
20
15
10
5
0132 150 168
1. Starting with the EarLock®retention ring oriented slightly backward,
rotate the earplug forward while inserting the stem of the right EP5
(marked with an Ron the retention ring) into the right ear canal deep
enough for the uppermost flange to seal. Fit the retention ring to the
natural contour of the concha bowl surrounding the ear canal to lock
the earplug in place.
2. Repeat process with left earplug (marked with an Lon the retention ring)
for left ear.
3. Test by clapping. If no noticeable decrease in volume, reinsert and retest.
4. Slowly twist the earplug when removing to break the stem’s seal.
FITTING & TESTING
WARNING: If the instructions above are not adhered to, the protection afforded
by EP5 Sonic Defenders
Max
will be severely impaired.
STEM ADJUSTMENT
EP5 Sonic Defenders®
Max
feature adjustable stems to maximize fit and
comfort. To adjust stem, with earplug removed from ear, pull out or push in
stem to lengthen or shorten for comfort.
CONNECTING/DISCONNECTING LANYARD
CLEANING, STORAGE & PRODUCT LIFE
EP5 Sonic Defenders
Max
typically last up to 6+ months, depending on usage
and care. Clean with mild soap and water or alcohol swabs and allow to air
dry. If exposed to salt water, rinse with fresh water and allow to air dry. Inspect
earplugs regularly and replace when they become stiff and hardened. Store
in a cool, dry place in the included container. Do not leave in direct sunlight.
18300 Mt. Baldy Circle •Fountain Valley, CA 92708, U.S.A •www.surefire.com/hearingprotection •800.828.8809
71-01-905 Rev.A
Remove twist tie and uncoil lanyard. Insert lanyard ends into small holes on
the outside of EP5 retention rings, located beneath the stem ends, and push in
until lanyard ends snap in place. To remove, pull gently on lanyard ends until
they disconnect from earplugs.
SUREFIRE NO-HASSLE PROMISE
We’ll do what it takes to keep your SureFire gear running smoothly.
SureFire warrants that if you—our customer—purchase one of our products, and
we determine that it is defective in material and/or workmanship, we will repair or
replace it for free or refund your money—no hassle! SureFire Hearing Protection
products are warranted for 90 days from the date of purchase. Our warranty does
not cover consumables, or normal wear-and-tear, or damage resulting from abuse,
alterations, unauthorized repairs, or use contrary to SureFire’s user manuals. For
complete warranty information, visit www.surefire.com/warranty.
FOR EFFECTIVE HEARING PROTECTION
AND THE ABILITY TO HEAR AMBIENT
SOUNDS AND CONVERSATIONS, TRY
FILTERED SONIC DEFENDERS®:
EP3 SONIC DEFENDERS
Filtered, Double-Flanged Earplugs
NRR: 24 dB
All-day comfort with two levels of protection: (1) filter caps out, for the hearing
of safe-level ambient sounds and conversations and (2) filter caps in, for
maximum protection.
EP4 SONIC DEFENDERS
PLUS
Filtered, Triple-Flanged Earplugs
NRR: 24 dB
Two levels of protection, just like EP3s, but with an extra flange to better fit
those with larger-diameter ear canals.
EP7 SONIC DEFENDERS
ULTRA
Filtered, Foam-Tipped Earplugs
NRR: 28 dB
Noise-reducing filters supply two levels of protection, and soft memory-foam
Comply™Canal Tips provide a comfortable fit with additional protection.
Learn more or purchase at www.surefire.com/hearingprotection.
Comply™is a trademark of Hearing Components, Inc.
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