What is the difference between Sennheiser CX 300 II and Betron RK300 ?

I don't know the Betron, but I own both the SoundMAGIC ES20 and E10 and they are better built than the Sennheiser. SoundMAGIC cabling is really well made and the earphones themselves are constructed from aluminium. The Sennheiser's feel a bit cheap and plasticy to me.

Do they come in the manufacture case as it would if I were to buy it from a store?

Yes it comes in a plastic casing which is very hard to get into lol

How do you adjust the length of the wire for each individual headphone once they split off?.. The left headphone is far shorter than the right one

Hey Sam, sadly you can't. The idea is that the longer wire goes behind your neck. It stops the headphones getting in the way. Hope this helps.

Do they leak noise? Being in ear I am hoping they wont. Please help!

Well, if your playing your iPod on full volume without them in your ears, you'd be able to hear the music. But when worn, the sound of anything around you is about half as loud, maybe less. This means you don't have to push the volume much in order to hear NOTHING but your music, at 50% vol you can't hear anything going on around you unless in a "louder-than-usual" environment, I think at 60% ish you get more of a crisp! full sound! anything above that really isn't needed unless your hard of hearing. I've noticed more in the music I've listened to before with these phones so I'd say they keep the sound in your ear when worn, this is possibly supported more so by the fact that half as much sound gets in from the outside.I'm sure anyone who isn't an audiophile who wants best of the best would be satisfied with these earphones, they are better than anything similar for the same price, in my opinion.

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CX 300 II Precision Noise Isolating Ear-canal Phones, Black

Product ID: 65124045

Details

Brand
Sennheiser
Colour
Black
Connectivity technology
Wired
Ear placement
In Ear
Form factor
In Ear
Headphone jack
3.5 mm Jack

🎧Dynamic driver for rich bass

🔇Passive noise isolation fit

🧳Compact carry pouch included

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Description

🎶 Elevate your audio game with precision and style — don’t miss the sound revolution!

UNIVERSAL COMPATIBILITY - Seamlessly optimized for all your devices with a 3.5mm jack—perfect for work, travel, and workouts.
BASS DRIVEN PRECISION SOUND - Experience studio-quality clarity with powerful dynamic drivers delivering deep, punchy bass.
PORTABLE PROTECTION ON THE GO - Includes a sleek, durable carry pouch to keep your earphones safe and stylish wherever you roam.
CUSTOM FIT FOR NOISE ISOLATION - Choose from three ear tip sizes for a personalized seal that blocks ambient noise and enhances focus.
TANGLE REDUCING ASYMMETRICAL CABLE - Innovative cable design minimizes clutter and keeps your headphones comfortably in place during movement.

The Sennheiser CX 300 II Precision ear-canal headphones deliver exceptional bass-driven stereo sound with high clarity, thanks to dynamic drivers and a personalized fit that isolates noise. Featuring an asymmetrical, tangle-reducing cable and a premium carry pouch, these wired earphones offer durable comfort and universal 3.5mm compatibility, making them the go-to choice for professionals and audiophiles seeking portable, high-quality sound.

Specifications

ASIN	B001EZYMF4
Age Range Description	Adult
Antenna Location	Music Listening, Travel
Audio Driver Type	Dynamic Driver
Best Sellers Rank	215 in In-Ear Headphones
Box Contents	Cable, Eartip
Brand Name	Sennheiser
Cable Features	Tangle Free
Carrying Case Color	Black
Carrying Case Material	Plastic
Colour	Black
Compatible Devices	Most devices with 3.
Control Method	Remote
Control Type	Remote Control
Customer Package Type	Standard Packaging
Customer Reviews	4.2 4.2 out of 5 stars (9,212)
Earpiece Shape	rounded_tip
Enclosure Material	Plastic
Frequency Range	19 - 21000 Hz
Global Trade Identification Number	00039409663202, 00615104120945
Headphone Form Factor	In Ear
Headphone Jack	3.5 mm Jack
Headphones Ear Placement	In Ear
Impedance	16 Ohms
Is Autographed	No
Is Electric	No
Item Type Name	Noise Isolating Earphones
Item Weight	80 Grams
Manufacturer	Sennheiser
Model Name	CX 300 II Precision
Model Number	CX300-II
Network Connectivity Technology	Wired
Noise Control	Sound Isolation
Number of Items	1
Product Features	Noise Isolation
Sensitivity	113 dB
Series Number	2
Specific Uses For Product	Recording, Noise Cancelling, Not for Swimming
Style Name	Minimalist
UPC	840929039053 951827399214 615104167414 637452493472 732840729086 615104120945 612957792527 039409663202 628586151048 615104184626 610393620879 039409662298 015104120943
Unit Count	1.0 count
Water Resistance Level	Not Water Resistant
Wireless Technology Type	Sans-fil

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TrustScore 4.5 | 7,300+ reviews

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1630277₫

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In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

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