Peltor EEP 100 in-ear electronic plugs

For me it’s simply that they do not reduce noise by the same degree as muffs. However, I’ve since given this more thought in light of the db reduction figures being quoted and have concluded that what ear buds do not do is protect the bone around the ears (skull) from concussion. Something that is particularly noticeable in covered areas such as the BSRC “Statics” FP and the Running Deer hut.

Just my view but I’m not a Rocket Scientist.

K

There is nothing special about the bone around your ears so if sound in the air was able to pass into your head protecting an inch or so either side of your ear wouldn't make any difference. The impedance of your head is significantly different to that of air and I've no idea where this "bone conduction" story came from but it pops up now and again. Where you might get "bone conduction" is if something was actually pressed against your head and so could transmit the "sound" directly into your head through physical contact - this can be a problem if the stock of a rifle or shotgun touches over ear type hearing protection and can actually result in an increase in SPL.
 
Which tips were you using? If you use suitable ones and insert them properly, they give significantly and measurably better noise reduction than over-ear hearing protection.

I've confirmed this myself using both calibrated test tones, and at an all-day long-range session. I brought EEP-100s with the large foam tips as well as MSR Sordin Supreme Pro-X with the gel pads for doubling up. With only the over-ear set, the isolation seemed a bit inadequate, whereas I felt no need to supplement the in-ear set with over-ear ones even beside a muzzle-braked .338 Lapua.

Just use the right tips and put them in right. These ones are extremely effective:

full_size_preview_3m-peltor-skull-screw-replacement-tips-370-1019-10.png
Where are you purchasing these please?
 
I just buy them individually at the local contractors’-supply shop, but a ten-pack is available online here:

I take it that’s not for 2, how many do you get for your £32?
 
Peltor also make other foam eartips that fit and are much smaller than the rather large skull screws which are too big for me. They are part number CCC-GRM-25. They are about £50 for 25 pairs but I get quite a bit of wear out of a single pair so it isn't as bad value as it seems.

With any "in ear" protection the key is getting something that fits and that you are comfortable using and sometimes that requires a bit of testing and messing about.
 
Anyone got a few pairs CCC-GRM-25 I can purchase off them, without getting a 25 pair bag. I also find the skull screws too large for my ears would be good to sample before pulling the trigger
 
Anyone got a few pairs CCC-GRM-25 I can purchase off them, without getting a 25 pair bag. I also find the skull screws too large for my ears would be good to sample before pulling the trigger
Try this kit as they also fit the EEPs:
 
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