I've been noticing reviewers speaking about "burn in". What is required with these buds?

I've happily owned a pair of these phones for a while, and use them daily. I'm aware of burn-in considerations, especially as I used to mess around with high end speakers and drivers years ago. My experience with these exact phones is that the bass notes did show some increased quickness within a couple of weeks. It was nothing earth shattering, but I remember noting that the bass response got a little more responsive as the phones broke-in. I do not believe that the Sennheisers need a formal break in with white noise generators or any such tools. It's just that you'll notice that you like them even a little more after the initial listening period. What I've noticed also is that I'm accustomed to the sound of these phones and when I use a different set, I'm not at all happy with the strange phones. The Sennheisers deliver a sound quality that is very attractive to me. They were a worthwhile investment in my way of looking at it. Good Luck with your decision.

Has anyone tried using earphone ear hooks on these ear buds?

I actually wrap the cable over my ear before placing the ear buds in my ear. They stay in fine, even while running.

I am looking for earbuds to use when watching movies on the iPad. Would these be a good fit?

Yes, They are in fact used in the profesional audio world for musicians personal monitoring. Not as the top of the line in this world but a nice affordable eardbuds used a lot for pro audio rentals companies. Top of the line earbuds cost more than double of these. In fact can reach US$200 ( IE 6 and nexts ). I got some of these IE 4 in fact to be used in a rental company, ( and a set for me )

Sennheiser Ie 4 Earphones | Desertcart Austria

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€ 174.27

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Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎧 Elevate your audio game with precision and power — don’t just listen, experience.

BUILT TO ENDURE - Robust design withstands high sound pressure levels, perfect for professional monitoring or daily hustle.
UNIVERSAL COMPATIBILITY - Plug-and-play with laptops, smartphones, gaming consoles, and more — your all-in-one audio companion.
POWERFUL PRISTINE SOUND - Dynamic drivers deliver natural, detailed audio with an outstanding bass response that commands attention.
TAILORED FIT MAXIMUM ISOLATION - Customizable ear sleeves ensure a perfect seal, blocking out distractions and locking in your focus.
SEAMLESS CONTROL AT YOUR FINGERTIPS - Integrated remote and touch controls keep you in command without missing a beat.

The Sennheiser IE 4 Earphones combine professional-grade dynamic drivers with customizable ear sleeves for superior sound isolation and comfort. Featuring a wide frequency range (20 Hz - 20,000 Hz) and high sensitivity (127 dB), these wired in-ear monitors deliver clear, powerful audio with exceptional bass. Designed for durability and universal compatibility, they are ideal for professionals and audiophiles seeking immersive sound on the go.

Specifications

ASIN	B0018Z7EIM
Additional Features	universal-phone-control
Age Range Description	Adult
Antenna Location	Music
Audio Driver Type	Dynamic Driver
Best Sellers Rank	#43,460 in Electronics ( See Top 100 in Electronics ) #2,109 in Earbud & In-Ear Headphones
Bluetooth Version	5
Brand Name	Sennheiser
Built-In Media	1 earphones IE 4\|3 pairs of ear sleeves (small, medium, large)
Cable Features	Without Cable
Carrying Case Color	black
Color	Black
Compatible Devices	Laptops, Desktops, Gaming Consoles, Tablets, Telephones, Smart Speakers, Televisions, Car Audio Systems, Cellphones
Connectivity Technology	Wired
Control Method	Remote
Control Type	Touch Control
Customer Package Type	[Predicted: Rigid or Cushioned Packaging]
Customer Reviews	4.2 4.2 out of 5 stars (151)
Earpiece Shape	Rounded Tip
Enclosure Material	Metal, Plastic, Rubber, Silicone
Frequency Range	20 Hz - 20,000 Hz
Global Trade Identification Number	00615104105676
Headphone Folding Features	In Ear
Headphone Jack	3.5 mm Jack
Headphones Ear Placement	In Ear
Impedance	140 ohm
Item Type Name	Headphones
Item Weight	4.54 g
Manufacturer	Sennheiser
Model Name	IE 4
Model Number	500432
Noise Control	Sound Isolation
Number of Items	1
Sensitivity	127 db
Series Number	500432
Specific Uses For Product	Professional Audio Monitoring
Style Name	In-Ear
Subject Character	no character
UPC	615104105676
Unit Count	1 Count
Warranty Description	2 years parts & labor.
Water Resistance Level	Not Water Resistant
Wireless Technology	Bluetooth

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€ 174.27

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Austria.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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Smooth transaction and product arrived in perfect condition.