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Questions & Answers
Are replacement tips available for the EP-4? Expert Answer

The replacement tips for the SureFire Black EP-4 Sonic Defender Plus Earpieces can be found at the link below.
https://www.opticsplanet.com/surefire-comply-replacement-earplug-tips.html

by Hunter, Gear Expert, April 27, 2022
Are these connected to each other?

A detachable lanyard is included to connect them, or they can be used without the lanyard.

by Brandon, Verified Owner, February 26, 2021
Customer Reviews
Helpful Positive Review SureFire Sonic Defenders Plus by Mischa, Verified Owner, September 17, 2020
So I bought these for my girlfriend because I don’t want her to wind up like me and have permanent hearing loss and tinnitus. When I saw the price tag on these I wasn’t sure what to expect Because you know expensive is usually better right, wrong. I ...
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1/1 found this helpful
Helpful Positive Review Great for skydivers by Legacy Reviewer, Verified Owner, August 10, 2009
As a skydiver, I'm around loud noises on a regular basis--namely, Airplanes and 120mph-210+mph wind in freefall. Many skydivers wear standard earplugs on the ride up to altitude, but remove them before exiting the plane because most of us use audible...
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7/7 found this helpful
Helpful Positive Review Surefire Sonic Defenders Plus - Large by Legacy Reviewer, June 2, 2011
Nice fit. Comfotable under my Peltors and ACH. Pros: Easy to use & good fit Cons: Like to see the hearing protection jump from 24 to 33
1/1 found this helpful
Helpful Positive Review EP4-LPR by Legacy Reviewer, Verified Owner, March 13, 2009
I really like these hearing protectors versus big, bulky and expensive (quality) head sets. These come in a small protective carry case that fits easily into just about any pocket.Initially,I had a problem with one ear but soon discovered that my lef...
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4/4 found this helpful
Helpful Positive Review Surefire Quality by Legacy Reviewer, May 23, 2011
The surefire ear protection devices are lightweright, easy to clean and easy to use. The right one is color coded red, so you do not get them mixed up. I was shooting for 3 hours at an outdoor range, and I was amazed how well they worked. Pros: Small...
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2/2 found this helpful
Helpful Positive Review Comfortable Quiet by Legacy Reviewer, May 17, 2011
These things are amazing. I wasn't really expecting too much, but I am still just blown away. They not only work, but are comfortable for hours on end. Coming from me, that's saying something, because I have very sensitive outer ears and just can't w...
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1/1 found this helpful
Read All 73 Reviews
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Product Info for SureFire EP-4 Triple Flanged Filtered Earplugs

Listen To Your Ears. Your hearing health should never be ignored. SureFire EP4 Sonic Defender Plus will protect your hearing against Noise-Induced Hearing Loss (NIHL) without compromising your ability to hear routine sounds or conversations in noisy environments. Their triple-flanged-stem provides a Noise Reduction Rating (NRR) of 24 dB. Safe sound levels are allowed to pass through into the ear canal, while potentially harmful noises (above 85 dB) are reduced via our proprietary noise-reducing filter. EP4s include attached filter caps that can be inserted for additional protection, blocking out lower-level noise, like that heard on an airplane, where hearing ambient sounds or conversations isn't critical. Sonic Defenders are made from a soft, durable, hypoallergenic polymer that provides all-day comfort and extends product life (up to 6+ months, depending on usage and care).image

WARNING: California`s Proposition 65

Specifications for SureFire EP-4 Triple Flanged Filtered Earplugs:

Manufacturer: SureFire
NRR: 24 dB
Fabric/Material: hypoallergenic polymer
Included Accessories: 26" polymer lanyard included
Condition: New

Features of SureFire EP-4 Triple Flanged Filtered Earplugs

  • Provides a 24-dB Noise Reduction Rating (NRR) with filter caps inserted
  • Lowers potentially dangerous noise levels above 85 dB
  • Patented EarLock retention rings utilize seven contact points to lock earpieces in place and fit the same way every time; soft, double-flanged stems provide secure seals and all-day comfort
  • Made from hypoallergenic, medical-grade polymer that's soft, durable, and long-lasting
  • Low-profile design for superior comfort when worn with a mask, helmet or hat, or while using a phone, headphones or supplemental hearing muffs
  • Serve as earpieces for compatible radio communication systems
  • Each set is packaged in a convenient carry case and includes a polymer lanyard
  • EP4 earpiece will not provide hearing protection if the noise-reducing filter is removed

Package Contents:

  • SureFire EP-4 Triple Flanged Filtered Earplugs

SureFire EP-4 Triple Flanged Filtered Earplugs Orderable Models

List of Orderable Models

Surefire EP4 Sonic Defender Plus Earpieces Plus, Small, Pair , MPN: EP4-BK-SPR , UPC: 084871315180 , Code: FS-EP-SONICDEF02-EP4-BK-SPR
Surefire EP4 Sonic Defender Plus Clear Earpiece - Small, 1 Pair EP4-SPR , MPN: EP4-SPR , UPC: 084871315128 , Code: FS-EP-SONICDEF02-EP4-SPR
SureFire Triple Flanged, Filtered Earplugs, 1 Pair, Clear, Medium, EP4-MPR , MPN: EP4-MPR , UPC: 084871311526 , Code: FS-EP-SONICDEF02-EP4-MPR
SureFire Triple Flanged, Filtered Earplugs, 1 Pair, Black, Medium, EP4-BK-MPR , MPN: EP4-BK-MPR , UPC: 084871315197 , Code: FS-EP-SONICDEF02-EP4-BK-MPR
Surefire EP4 Sonic Defender Plus Clear Earpiece - Small, 25 Pairs EP4-SPR-BULK , MPN: EP4-SPR-BULK , UPC: 084871314992 , Code: FS-EP-SONICDEF02-EP4-SPR-BULK
SureFire Triple Flanged, Filtered Earplugs, 25 Pair, Black, Medium, NSN 6515-01-606-4552, EP4-BK-MPR-BULK , MPN: EP4BKMPRBULK , UPC: 084871314978 , Code: FS-EP-SONICDEF02-EP4-BK-MPR-BULK

SureFire EP-4 Triple Flanged Filtered Earplugs Unavailable & Discontinued Models

List of Unorderable Models

Surefire Sonic Defenders Plus Passive Hearing Protection Large 1 pair , MPN: EP4-LPR , UPC: 084871311434 , Code: FS-EP-SONICDEF02-EP4-LPR
Surefire EP4 Sonic Defender Plus Earpieces Plus, Large, Pair , MPN: EP4-BK-LPR , UPC: 084871315203 , Code: FS-EP-SONICDEF02-EP4-BK-LPR
Surefire EP4 Sonic Defender Plus Earpieces Plus, Small, 25 Pair , MPN: EP4-BK-SPR-BULK , UPC: 084871314961 , Code: FS-EP-SONICDEF02-EP4-BK-SPR-BULK
Surefire Sonic Defenders Plus Passive Hearing Protection Large 25 pairs , MPN: EP4-LPR-BULK , UPC: 084871311519 , Code: FS-EP-SONICDEF02-EP4-LPR-BULK
SureFire Triple Flanged, Filtered Earplugs, 25 Pairs, Clear, Medium, NSN 6515-01-606-4565, EP4-MPR-BULK , MPN: EP4-MPR-BULK , UPC: 084871311533 , Code: FS-EP-SONICDEF02-EP4-MPR-BULK
Surefire EP4 Sonic Defender Plus Earpieces Plus, Large, 25 Pair , MPN: EP4-BK-LPR-BULK , UPC: 084871314985 , Code: FS-EP-SONICDEF02-EP4-BK-LPR-BULK
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