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Sennheiser CX300-B Earbuds (Black) - Old Version
 
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Sennheiser CX300-B Earbuds (Black) - Old Version

by Sennheiser
4.0 out of 5 stars  See all reviews (372 customer reviews)

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There is a newer model of this item:
Sennheiser CX300B MK II Bass Earbuds with Carrying Case (Black) Sennheiser CX300B MK II Bass Earbuds with Carrying Case (Black) 3.8 out of 5 stars (249)
$34.99
In Stock.


Technical Details

  • Powerful, bass-driven stereo sound
  • Extremely small and lightweight
  • Adjustable in-ear cushions for comfortable fit
  • Frequency Response - 18 Hz- 21 kHz / Impedance 16 ohm / Max Spl 112 dB (1 kHz, 1 Vrms)
  • Cable Length - 1 meter or about 3 feet Asymmetrical cable
  See more technical details

Product Details

  • Product Dimensions: 9 x 2 x 10 inches ; 3.2 ounces
  • Shipping Weight: 3.2 ounces (View shipping rates and policies)
  • ASIN: B000E1FYQA
  • Item model number: CX 300B
  • Average Customer Review: 4.0 out of 5 stars  See all reviews (372 customer reviews)
  • Date first available at Amazon.com: October 2, 2001

Product Description

Amazon.com Product Description

The Sennheiser CX300-B Earbuds are the ideal ear buds for use with portable MP3, CD, MD, DVD players and many other portable devices with 3.5mm headphone sockets. Soft silicone-rubber ear adapters in three different sizes are included to ensure a perfect fit, high wearing comfort and an excellent attenuation of ambient noise. These ear buds, with their in-ear, sound-isolating design, offer powerful, bass-driven stereo performance. Extremely small and lightweight -- they weigh a bit more than an ounce -- the CX300-B will go wherever you take them. Designed in a stylish black finish, the ear buds include a 3.5mm L-shaped plug and 21-inch asymmetrical cable. Sennheiser, an acknowledged world leader in headphone-transducer technology, offers a two-year manufacturer's warranty on the CX300-B.

Product Description

The Sennheiser CX300-B Earbuds are the ideal ear buds for use with portable MP3, CD, MD, DVD players and many other portable devices with 3.5mm headphone sockets. Soft silicone-rubber ear adapters in three different sizes are included to ensure a perfect fit, high wearing comfort and an excellent attenuation of ambient noise. These ear buds, with their in-ear, sound-isolating design, offer powerful, bass-driven stereo performance. Extremely small and lightweight -- they weigh a bit more than an ounce -- the CX300-B will go wherever you take them. Designed in a stylish black finish, the ear buds include a 3.5mm L-shaped plug and 21-inch asymmetrical cable. Sennheiser, an acknowledged world leader in headphone-transducer technology, offers a two-year manufacturer's warranty on the CX300-B.


Customer Reviews

Most Helpful Customer Reviews
410 of 421 people found the following review helpful
Before I bought CX300, I read a lot of reviews and comparisons with Shure E2C. I was lucky to find two very good deals on both of them so I bought them both. I paid CX300 for $20 including shipping and Shure e2c for $40 with free shipping. I used them for a month now and here is what I find:

They are both much better than average earbuds (ex: apple earbuds)
Bass: CX300 is much stronger than E2C (if you like bass, you'll love CX300)
Clarity: E2C produce more clear and clean sound than CX300, because the bass on CX300 is so strong, it overshadows midrange and highrange sound a little bit.
Comfort: CX300 is much more comfortable to wear than E2C, I can wear CX300 all day and not being sore. With the E2C, it is hard to choose the right earbuds and I have to wear it right (I have to push them deeper into the ear canals) to receive a clear sound and a decent bass.
Cable quality: E2C have the best cable quality, much longer and thicker than CX300. That being said, CX300 cable is not too bad, but it can be a little short for a tall person.

In conclusion: I am happy with both earbuds, I used CX300 for outdoor and at work because it is comfortable to wear, and easy to put away. But I enjoy the E2C in my home when I just want to enjoy the quality of the music.
Sennheiser CX300 is good buy at $20 to $30 price range. And E2C is good at $40 to $50 price range. If you pay more than that, you pay too much.

Last word, if you want to enjoy richer sound of a better earbuds, you should rip your CD a least 260 bit-rate or higher. Believe me, it make a different, you will hear sound you thought it wasn't there.
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323 of 337 people found the following review helpful
By Nick
CX-300 is one of the latest products in Sennheiser's wide line of headphones. Its raison d'etre is 'ambient noise attenuation' in Sennheiser's words. Of course they are meant to be used with portable devices and do just fine at that.

Exactly how good is the noise attenuation?

Sennheiser says 'excellent', but surely you would want a more unbiased opinion. The noise attenuation is certainly good enough. I have tried them in the Athens Underground Railway (Metro). It is so noisy when the train moves, that with common closed headphones, it is impossible to hear the music at a volume that won't impair your hearing. With the CX-300 a lot of the noise is shut out, so you can enjoy your music at a reasonable volume. Another measure of comparison is that you can't hear a person that is near you speak, unless they shout. That is what these headphones were meant to do.

If you don't want or simply don't need noise reduction, you can buy just as good or even better headphones at a cheaper price. For example Sennheiser's PX and HD series, and AKG's K24 and K26.

Obviously for this price you can't buy high fidelity. The sound quality is up to Sennheiser's standards of course. I am using these with my Sony HD-5 mp3 player and haven't got any complaints. When I am not in the subway I usually go with Sennheiser's PX-200. I haven't made a real head to head comparison, but I think they are more or less a match on sound quality. So obviously, you can get better sound at home with quality speakers or quality bulky headphones.

These headpones don't silence everything. If you want that you can try 'active noise reduction' headphones (Bose, Sennheiser, AKG), but the active noise reduction process introduces artificial artifacts into the sound and the headphone are a bit expensive. You can also try Shure's or Etymotics passive noise reduction headphones which are a 'professional' choice (you can remove the quotation marks for Shure);they were (initially) meant for artists on stage. But you have to pay a hefty price tag for those.

So to sum up, if you want something which 1)shuts out unwanted noise 2)gives quite good sound quality, and 3) doesn't feel like wearing a helmet, these are an excellent choice at their price.

If you can pay more, you can get more in at least two of the three criteria.
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276 of 294 people found the following review helpful
Impressive sound May 30, 2006
Amazon Verified Purchase
I bought these when the left earbud on my Sony MDR-EX51LP's stopped working. I was initially upset because I (thought I) liked the Sony's and planned on just getting another pair of them. However, I saw a favorable review of these in PC Magazine and decided to give them a try. I'm really glad I did! The sound is much richer and the bass is much deeper than with the Sony's and it is giving me a better appreciation of the music. Now, I don't miss an opportunity to pull out my ipod to fill the time. These also seem to be louder which allows me to listen to the ipod on a lower volume and get a little extra battery life out of it. On the plane, they also do a better job of supressing the sound of the engines. All around, I'm very pleased. They cost twice as much as my old Sony's, but in my opinion they are well worth it.
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Most Recent Customer Reviews
Good earbuds..may be a bit too pricey
Very good at what they are meant for. May be a bit too pricey but they worked for me. One other thing, I lost the covering on one of the buds and I am trying to see if I can get it... Read more
Published on June 13, 2009 by Kumar
A little too bright for me.
We have been experimenting with different buds to use as in-ear monitors for our band. The CX300-B's are priced well, but we found them to be a little too bright and sibilent for... Read more
Published on June 24, 2008 by J. Sheppard
a concert hall in your head
As an audio professional, I expect quality from Sennheiser. These earbuds exceed my expectations. They are small, light weight and very comfortable. Read more
Published on June 19, 2008 by Lease
Great sound at the cost of dependability
I bought these to replace a pair of Sony MDR-ED21LP's that died on me after a year or so of usage.

CX300 Pros

-Sounds great
-Gives good bass
-Offers... Read more
Published on June 8, 2008 by Ronald K. Yeung
Good but not great.
You cannot beat the price for a closed ear headphone. the thing that I did not expect out of this (and presumably all closed ear headphones) is that I can hear myself. Read more
Published on May 26, 2008 by Jay R. Wren
Same as the EP-630
The Sennheiser CX300-B are good headphones, I but give the product 3 stars for a couple reasons.

First off, these headphones deliver almost exactly the same quality as... Read more
Published on May 23, 2008 by T M Flores
Clean Audio
These headphones Rock! Very comfortable and have good soundstage. The bass response is quite surprising and not overloaded. Read more
Published on May 20, 2008 by Jeffrey Diaz
Outstanding bass
I have never heard bass like I have with these headphones. They are definitely worth the asking price. Read more
Published on May 16, 2008 by Sanel
Now iPhone compatible!
I just received this and I haven't had a chance to listen to it yet. I want to post this review because CX-300 is now genuinely iphone compatible. Read more
Published on May 15, 2008 by Z. Ling
These sound nice
I've had these for a while now...they still work and sound fantasic. Give them a while to break in and you're good to go.
Published on May 14, 2008 by Mern
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Fake from amazon?? 34 Jul 27, 2011
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vs. v-moda's? 6 Jun 16, 2010
vs. v-moda's? 1 Jun 16, 2010
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