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2-Year Home Audio & Video Protection Plan

from Asurion, LLC

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  • Surge protection starts when your product ships; mechanical and electrical failures are covered after manufacturer warranty expires
  • No deductible, replacement via Amazon gift card reimbursement for valid claims
  • Free return shipping, replacement gift card issued immediately after product is scanned at your local UPS
  • Fully transferable with gifts, cancel anytime, full refund in the first 30 days
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Sennheiser CX 300 II Precision Enhanced Bass Earbuds (Black)

3.9 out of 5 stars 3,629 customer reviews
| 208 answered questions

Price: $41.99 & FREE Shipping on orders over $49. Details
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
    This fits your .
  • Enter your model number to make sure this fits.
  • Plastic
  • Imported
  • • Dynamic transducers deliver powerful, bass-driven sound
  • • 16-ohm impedance is ideal for use with cell phones, tablets and portable music players
  • • In-ear-canal design provides ambient noise isolation to improve listening experience
  • • Asymmetrical 1.2 m cable terminated with 3.5mm right-angled plug. The CX 300-II features an asymetrical cable which the longer end goes behind the neck and into the opposite ear.
  • • Soft silicon eartips (S, M, and L size included) to optimize fit for comfort and sound quality
  • • Carrying pouch included for handy storage
7 new from $39.99 16 used from $31.49

There is a newer model of this item:

Sennheiser Cx 3.00 In-Ear Canal Headphone Black
$49.95
(3)
In stock on July 29, 2016.
$41.99 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Sennheiser CX 300  II Precision Enhanced Bass Earbuds (Black)
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Total price: $65.24
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Technical Details

  • foldable
  • tangle-free-cord

Compare to Similar Items


This item: Sennheiser CX 300 II Precision Enhanced Bass Earbuds (Black)
Customer Rating 4 out of 5 stars (3629) 4 out of 5 stars (34091) 4 out of 5 stars (911) 4 out of 5 stars (190)
Price $41.99 $8.79 $23.25 $35.00
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Amazon.com Amazon.com IM Sound Amazon.com
Color Black Black Black Black
Fit In-Ear In-Ear In-Ear In-Ear
Dimensions 96 inches x 4.65 inches x 162 inches 6.75 inches x 3.6 inches x 3.25 inches 8.11 inches x 9.06 inches x 9.3 inches 5 inches x 4 inches x 1.5 inches
Item Package Weight 0.22 pounds 0.05 pounds 0.13 pounds 0.15 pounds
Special Features foldable lightweight ios-phone-control lightweight
Add to Cart Add to Cart Add to Cart Add to Cart

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Product Description

Product Description

Offering a powerful, bass-driven stereo sound with greater clarity and improved dynamics over standard earbuds are the Sennheiser CX 300-II in-ear headphones. The various sizes of ear adapters (S/M/L sizes) provided in the package allow for a customized fit as well as exceptional noise blocking capability. A convenient carrying pouch is also included for easy storage.

From the Manufacturer

Sennheiser CX 300-II

Offering a powerful, bass-driven stereo sound with greater clarity and improved dynamics over standard earbuds are the CX 300-II ear-canal phones. The various sizes of ear adapters (S/M/L sizes) provided in the package allow for a customized fit as well as exceptional noise blocking capability.

  • High passive noise attenuation
  • Modern, bass-driven stereo sound
  • Built-tough with a 2 YEAR warranty!
Learn more about the CX 300-II

The CX 300-II features an asymetrical cable which the longer end goes behind the neck and into the opposite ear. This mimics a single sided cable and reduces the amount of cable in front of the wearer during physical activity. This is a safety and ergonomic feature.

 

Features
  • High-quality dynamic speaker systems for bass-driven stereo sound and durability
  • Personalized fit in the ear canals functions as an earplug and high-quality speaker
  • Customizable ear adapter system achieves the perfect fit
  • Convenient carrying pouch included
  • Asymmetrical cable reduces tangles and cable clutter
  • Built-tough with a 2 Year warranty
Did you know?

The CX 300-II is available in black or silver.

Sennheiser recommends this headset for...

... those looking to upgrade from standard ear-buds, and those that crave great sound in a compact, portable package.

Compatibility

The CX 300-II is Compatible (listen only) with latest generation of tablets and 1/8" jack smartphones and portable music players.

Warranty

The CX 300-II is covered by a 2-year global warranty. Sennheisr's worldwide network can quickly and reliably handle any warranty issues.

Technical Data
   
Frequency response 42-17,000 Hz
Impedance 16 ohms
Sound pressure level (SPL) 113 dB (1kHz/1Vrms)
Transducer principle Dynamic
Cable length 3.9 ft. (1.2 m)
Jack plug 1/8 (3.5 mm)
Warranty 2 Years
Why Sennheiser ?

For over 60 years every Sennheiser mic or headphone comes with a built-in mission: to stay true to the sound and soul the music was given by its artist. From the fragile intimacy of a whispered word to the deep and dark punch of an attacking bassline. Sennheiser delivers pure emotion and excitement. A quality that has convinced a broad spectrum of artists and of course music lovers all over the world. Sennheiser offers a great experience for everyone who really wants to hear.

What's in the box?
  • CX 300-II ear-canal phones
  • Ear adapter set (S/M/L)
  • Carrying pouch

Product Information

Technical Details

Part Number CX300 MK II
Item Weight 8 ounces
Product Dimensions 4.7 x 162 x 96 inches
Item model number CX300 MK II
Size ..Stereo
Color Black
Wattage 2 watts
Item Package Quantity 1
Special Features foldable, tangle-free-cord
Included Components Cx 300-Ii Ear-Canal Phones, Ear Adapter Set (S/M/L), Carrying Pouch, CX 300-II ear-canal phones^Ear adapter set (S/M/L)^Carrying pouch
Batteries Included? No
Batteries Required? No
Warranty Description 90 Day Seller Warranty

Technical Specification

Warranty [pdf ]

Additional Information

ASIN B001EZYMF4
Customer Reviews
3.9 out of 5 stars 3,629 customer reviews

3.9 out of 5 stars
Best Sellers Rank #39 in Electronics > Headphones > Earbud Headphones
#310 in Electronics > Home Audio & Theater
#453 in Electronics > Portable Audio & Video > MP3 & MP4 Players & Accessories > MP3 & MP4 Player Accessories
Shipping Weight 3.5 ounces (View shipping rates and policies)
Date First Available October 2, 2001

Warranty & Support

Product Warranty: For warranty information about this product, please click here. [PDF ]

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Customer Reviews

Top Customer Reviews

Verified Purchase
I will start with saying that I love headphone/earbuds, and I am on a life-long quest to find great sound. Actualy, sometimes I feel it is more like an addiction (like buying a new set of cans at 2:30 in the morning because I cant sleep). It is not realistic to say that these little buds are the Be all End all of pristine and perfect sound quality that people spend beacoup bucks trying to find. Not everyone is crazy like me and willing to spend $400-$800 on a set of buds or cans that will bring ever so slightly supperior sound quality. So unless you are me and have a need to stick anything that claims to be high quality in or on your ears, and you are just looking for a fantastic sound at an unbelieveable price - GET THESE!!! (But a strong word of caution - buy only from authorized retailers. I suggest chooseing ships and sold from Amazon as they are an authorized retailer and honor the 2 YEAR warranty!)

A little backround on my references of comparison: As far as earbuds are concerned, I own the Monster Turbines Pro (gold), Ultimate Ears Triple Fi 10s, Monster Jamz, Maximo iMetal w/ mic, Etymotic Research MC5, and of course the Klipsch Image S4. I'm not going to bother with much comparison of the Turbine Golds or the Ultimate Ears, suffice it to say they are slightly better sound, better Isolation, better asthetics, better accessories and hundreds of dollars more. Lets also toss out (litteraly) the Maximos, they are terrible but have a good mic. I gave them to my wife who could care less about sound quality but loves the cloth wrap on the cable. This leaves us with the Monster Jamz, the Etymotic MC5, and the darlings of cnet and therfore the internet - the mighty Klipsch S4.
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52 Comments 1,068 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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these were my first pair of higher quality headphones ever. I bought them about 4 years ago. I paid $50 for them. After hearing how awesome the sound was, I thought to myself "if these were only $50, I wonder how great the sound would be if I spent $150 or $300." And so I did....I bought the Sennheiser 595's (GREAT cans), I got the Monster Turbines, I got the Shur SLC2, I got the Sennheiser PX200's, and I got two other kinds of sennheiser earbuds which I ended up giving away to my girlfriend and brother. Don't get me wrong, all of these new headphones I experimented with were great. But I can honestly say that these are STILL my favorite all-around headphones. Matter of fact I am bumping some Radiohead in them right now. They are awesome for all kinds of music - incredibly balanced bass, superior sound quality, awesome noise reduction, everything you could possibly want. hip hop, classic rock, soul, jazz, blues, electronic are the styles of music I listen to most - great for all.

I will say that you may want an alternative pair for the gym, as they are not perfect for running cuz of the cord. Other than that tho, I have used and abused the hell out of these things. I have stuffed them into so many pockets, duffle bags, computer bags, drawers, leave them in the car in the summer. You named it, I've done it with them and they are still perfect. hopefully you will all be as lucky as me and get a pair that lasts for a very long time.

I just wanted to come on here and share that thought, as it just dawned on me while I was listening to some music how much I really do love these things, and how I still somehow always grab for these 7 times out of 10, even when I have an entire collection of great headphones to choose from. It could also be a comfort thing I suppose....they are easily the best fitting headphones I own.

that is all.
4 Comments 243 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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The cliff's notes: I gave these 3 stars because they are very much all-or-nothing in my mind. What I mean is that they are great headphones (4-5 stars) unless you are using them to run (1 star). I use them for running -- making them useless -- but they'd be great for others. And now I will elaborate for those that care.

For runners -- terrible. As most active people know, we have a tendency to sweat. After 1/2-3/4 of a mile, the earbuds become wet (I assume) and sound deteriorates to a horrendous level. The audio level will go from crystal clear to crackly and broken in no time. Furthermore, the asymmetrical cord is a horrendous idea. It sounds great up until a point where you're running against even a slight headwind. This forces the cord to constantly blow over your shoulder, often ripping out your earbud. And while on the topic, the "tacky" rubber that the cord is made of tends to get wound up and twisted onto itself which can be downright infuriating at times -- especially a few miles into a nice run.

For everyone else -- when they are working, they sound superb. I think you'd be hard pressed to find a higher quality product for the price. The mids are great, highs are clear, and bass in punchy. These restored my faith in earbud technology; that you could get enough drive out of something so small (I'm a bit of an audiophile). The different sized ear tips are a huge plus and, when you use the correct size, they are extremely comfortable. Also, they can reduce environmental noise by a huge margin.

So there you have it. If you want to run with these -- ever -- skip them. If you are looking for a new set for the train, plane, or walking about town, these are great. Simple as that.
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