What's the difference between this er20xs model and etymotic's cheaper "high fidelity" option?

The noise attenuation is the same. Both are "high fidelity" earplugs in that they lower the decibels to a safe level while preserving clarity.Differences--ER20XS can change out the eartips. ER20XS has an option for foam eartips. ER20XS stem is shorter and more discreet. It fits more comfortably underneath hats, helmets and other headgear. Etymotic Research

I see most reviews used these for concerts/music... How do/would you think they would perform with something such as shooting firearms?

I would not recommend them for shooting a firearm. These earplugs are great at filtering the sound and reducing overall noise by about 20-30 decibels. This is not nearly enough for the bang of a firearm.

Will these stay inserted in the ear if the person is performing/fast moving or will the combination of sweat and movement cause them to fall out?

Let's start with comfort. They are not as comfortable as poly plugs- but, you will get used to them. Watch GP riders before a race. All use urethane plugs.But, I do like them and continue to use them- usually. They stay in a bit better and reduce the noise at lease as well. You own a BMW, you can afford to try them. You might prefer them. Buy a pair.

What's the difference between universal fit and standard/large?

universal fit gives you 3 different replaceable fittings and is the safest choice if you want a more exact fit. Standard is what fits most people. Large that simply for those that have large ear openings.

Etymotic Research ER20XS-SMF-P High-Fidelity Earplugs, 1 Pair, Standard Fit, Polybag Package Size: Standard Fit Model: ER20XS-SMF-P

Etymotic Research ER20XS-SMF-P High-Fidelity Earplugs, 1 Pair, Standard Fit, Polybag Package Size: Standard Fit Model: ER20XS-SMF-P

Product ID: 141613463

Details

Brand
Etymotic
Colour
Clear/Frost
Material
Plastic
Recommended Uses For Product
Noise
Size
1 count (Pack

🎧High-fidelity sound clarity

🔇20 dB noise reduction

♻️Reusable & eco-friendly

Description

🔇 Hear the world, not the noise — upgrade your ear game!

DURABLE REUSABLE - Eco-conscious earplugs that last, complete with a handy carrying case and neck cord.
20 D B NOISE REDUCTION - Protect your ears in loud settings while staying aware and connected.
ERGONOMIC STANDARD FIT - Designed for all-day comfort with a discreet, low-profile design.
TRUSTED BY PROFESSIONALS - Join thousands of users who rely on Etymotic’s precision engineering for noise protection.
CRYSTAL CLEAR SOUND NOT SILENCE - Experience premium noise attenuation without muffling your environment.

The Etymotic ER20XS-SMF-P High-Fidelity Earplugs deliver 20 dB noise attenuation with a standard ergonomic fit, preserving sound clarity while protecting your hearing. Made from durable plastic silicone, these reusable earplugs come with a neck cord and carrying case, ideal for sports, concerts, and daily noise protection. Trusted by over 4,000 reviewers, they balance comfort and performance for professionals and active millennials alike.

Specifications

ASIN	B00RM6Q9XW
Best Sellers Rank	#72,888 in Health & Personal Care ( See Top 100 in Health & Personal Care ) #185 in Ear Plugs
Brand	Etymotic
Colour	Clear/Frost
Country of Origin	USA
Customer Reviews	4.1 out of 5 stars 4,357 Reviews
Global Trade Identification Number	00084643001747, 00846430001749
Included Components	1 pair Standard Fit ER20XS High-Fidelity Earplugs, neck cord, and carrying case
Item Dimensions	10 x 19 x 10 Millimeters
Item Form	Pair
Item Nype Name	Earplugs
Item Weight	0.4 Ounces
Manufacturer	Etymotic Research, Inc
Material	Plastic Silicone
Model Name	ER20XS-SMF-P
Noise Attenuation	20 dB
Number Of Pieces	2
Number of Items	1
Product Style	Standard Fit
Recommended Uses For Product	Noise Protection
Reusability	Reusable
Size	1 count (Pack of 1)
Sport Type	Shooting
Style	Standard Fit
UPC	846430001749 084643001747
Unit Count	1.0 Count
Usage	Sports and Exercise

Reviews

B**A

Bad Product

Poor...very small and ineffective..

29.03.2020

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