Including the triple flange eartips but excluding the cable connector it's roughly 25mm (1 inch)

How do these deal with noisy/loud environments?

These are perfect for noisy environments, you won't be able to hear any outside noise. I was at an indoor Netball games and could not hear any of the high pitched whistles being blown at all. These IEMS are really good.

Are these geared more towards professionals? Im a casual listener, but I'm looking to upgrade to something more serious than regular cheap earbuds.

Speaking as a professional, yeah they have a pretty neutral and accurate sound with very good isolation, which I greatly appreciate because I can't stand exaggerated consumer-oriented sound signatures. It sounds better than anything else remotely close to this price. However, to achieve this great isolation and accuracy, you have to use those 3-flange tips and insert them properly (very deeply-as deep as they'll go). It takes a bit getting used to and may present a comfort issue for some, but for me, it wasn't a big deal and I got used to it quickly with no discomfort.

Are the foam or silicone flange tips more effective at noise isolation?

I find the triple flange silicone tips better in my ears. But I have narrower than normal ear canals so the foam does not fit very well.

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Description

🎶 Elevate Your Listening Experience!

DURABLE DESIGN - Crafted with metal earpieces featuring a sleek anodized finish for style and longevity.
EASY MAINTENANCE - Detachable cable allows for hassle-free replacement, keeping your earphones in top shape.
BASS THAT MOVES YOU - Feel the beat with enhanced and extended bass for an immersive experience.
UNMATCHED SOUND QUALITY - Experience true high-accuracy sound that elevates your audio game.
PERFECT FIT PERFECT SOUND - Includes an assortment of ear tips to ensure a snug fit for optimal sound quality.

The Etymotic Research ER2XR Extended Response Earphone delivers true high-accuracy sound with enhanced bass, featuring 35+ dB of external noise isolation. Designed with metal earpieces and an anodized finish, these earphones come with various ear tips for a perfect fit and a detachable cable for easy maintenance.

Specifications

Control Type	Media Control
Unit Count	1.0 Count
Cable Length	4 Feet
Item Weight	0.19 Kilograms
Is Electric	No
Antenna Location	Music
Compatible Devices	Cellphones
Cable Features	Detachable
Additional Features	Detachable Cable, Noise Isolation, User Replaceable ACCU-Filters
Enclosure Material	Metal
Specific Uses For Product	Music, Travel
Headphone Folding Features	In Ear
Earpiece Shape	Angular or rounded tip for deep insertion
Headphones Ear Placement	In Ear
Carrying Case Color	Black
Color	Multicolored
Connectivity Technology	Bluetooth
Headphone Jack	3.5 mm Jack
Frequency Range	20 Hz – 16 kHz
Audio Driver Type	Dynamic Driver
Noise Control	Sound Isolation

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