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  • Sennheiser CX 300 II Precision Noise Isolating Earphones - Black
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Sennheiser CX 300 II Precision Noise Isolating Earphones - Black

| 28 answered questions

RRP: £44.99
Price: £25.14 & FREE Delivery in the UK. Details
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Sold by Premier Products and Fulfilled by Amazon. Gift-wrap available.
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Black
  • Easy upgrade from standard ear-buds; for those who crave great sound in a compact, portable package
  • High-quality dynamic speaker systems for bass-driven stereo sound and durability
  • Personalised fit in the ear canals to function as an earplug and high-quality speaker
  • Convenient carry pouch included for safe and storage and transport
  • Asymmetrical cable reduces tangle and cable clutter

There is a newer model of this item:

£25.14 & FREE Delivery in the UK. Details In stock. Sold by Premier Products and Fulfilled by Amazon. Gift-wrap available.

Frequently Bought Together

Sennheiser CX 300 II Precision Noise Isolating Earphones - Black + Sennheiser CX300 replacement ear buds - 10 pack Small ear sleeves + Carrying Hard Case Bag for Earphone Headphone iPod MP3
Price For All Three: £28.32

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Product details

Colour Name: Black
  • Product Dimensions: 11.8 x 411.5 x 243.8 cm ; 100 g
  • Boxed-product Weight: 100 g
  • Delivery Destinations: Visit the Delivery Destinations Help page to see where this item can be delivered.
    Find out more about our Delivery Rates and Returns Policy
  • Item model number: CX300 MK II
  • ASIN: B001EZYMF4
  • Date first available at Amazon.co.uk: 1 July 2006
  • Average Customer Review: 4.0 out of 5 stars  See all reviews (1,296 customer reviews)
  • Amazon Bestsellers Rank:

Product Description

Colour Name: Black

Product Description

Get a powerful, dynamic sound with big bass response in a stylish, custom-fit ear canal phones. An asymmetrical cable provides freedom of movement and the included carrying pouch avoids tangles in transit. Offering a powerful, bass-driven stereo sound with greater clarity and improved dynamics are the CX 300-II Precision Black ear-canal phones. The various sizes of ear adapters (S/M/L sizes) provided in the package allow for a personalised fit as well as a high passive attenuation of ambient noise.

Box Contains

  • CX 300 II ear canal phones
  • Ear adapter set (S/M/L)
  • Carrying pouch

  • Customer Questions & Answers

    Customer Reviews

    Most Helpful Customer Reviews

    183 of 189 people found the following review helpful By Ricol on 13 Dec. 2010
    Colour Name: Black Verified Purchase
    Got these a replacement to the CX300 mk1s which I have been using every day as I walk to an from work.

    First thing to note is the build quality. A bigger, gold plated jack looks and feels alot sturdier. Its bigger size has however not been a hinderance. The junction reinforcement, where each cable splits off has also been beefed up making these feel much more resilient. Not much has visually changed with the driver unit, it has now got a sloped back but overall looks to be the same size etc.

    The biggest difference comes in the sound department (where it matters!). The bass response is much better and is pretty astounding for in-ear headphones at this price. I quite like walking along to the odd dance track and tunes like Mylo - Destroy Rock 'n' Roll (Tom Neville Clean remix) sound excellent. The bass has plenty of weight and presence and the high end is tight & crisp.

    I'm not going to comment on how well these head phones fit as that is a completely personal interaction, they either will or they wont. There are three different sized rubber ear pieces included, so hopefully one pair will work. There is also a soft sprung clasp pouch included, for stowing the headphones when no in use. This is a welcome extra but I've reverted back to my usual hard shelled tin as it offers a bit more protection whilst bouncing round my bag.

    To summarise, if you already own CX300s, the mark twos are a worthwhile upgrade. If you are in the market for in-ear headphones, these should not be overlooked. Top Quality Sound and Build for next to nothing.

    **** ONE YEAR EDIT ****

    Well after a year of daily use (hour walk to and from work) a connection in the left ear has gone. Resulting in only faintly audible levels coming from the left hand side. There's a two year warranty so it should be covered.
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    7 of 7 people found the following review helpful By Mr. D. Khandel on 9 Jan. 2010
    Colour Name: Black
    In the lead up to the purchase of these headphone, my sony x series walkman (NWZ 1060) died on me after 4 months of use. So i ordered a 32gb ipod touch BUT the headphones given are the worst ever made. The sound was awful SO

    I thought i should buy some better ones.

    These are the only headphones you will ever need!!!! Well at least in terms of sound and the quality of it. These headphones easily fit my extremely tricky ears (tricky in the sense that those headphones that come with the ipod touch just fall out of my head everytime and any way i put them in!). Okay they didn't fit out of the box, i had to change the buds with the small ones supplied but that expecting a bit too much. The sound is just awesome!!! i couldn't hear the alarm when i set it off in my house!!!!! NOW THATS WHAT I CALL NOISE CANCELLING!! the wire is perfect in terms of length for me.

    BUT as written in previous reviews, people did say that durability was a factor in these headphones eg sound would cut out in left headphone if your tugged just a little bit on the wire. That was the same case for me...accidently yanked it and the sound cut out/stuttered. A lot of people said that these headphones die after a few months of usage, i have only these for a few days so i will update
    this review.

    UPDATE: :( these headphones just died on Monday. The right earphone started to cut out randomly and now wont play any sound unless i fiddle around with the wire. Gonna see if i can get another pair or at least something more durable.
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    73 of 77 people found the following review helpful By Matthew Gerlach on 26 May 2014
    Colour Name: Black Verified Purchase
    Alas, I am no longer at the mercy of rubbish, overpriced Apple earphones.

    I was once happy to call myself a proud owner of Sennheiser earphones. I used them everyday, starting from the moment I'd leave the house, and couldn't be more pleased with the quality of sound delivered. On one fateful day, over 2 years after they were purchased, they were snagged by a hook on the train, which rendered them useless and left me feeling utterly desolated.

    Having bought an iPhone 5, the newest, coolest phone on the block at the time, I was sure their redesigned earphones would do the trick. Ah, if only that were the case. They work alright when I'm at home in utter silence, but if I dare attempt to use them in a noisy environment, I hear nothing but faint voices and murmurs in the background. Maybe it's my brain telling me it's time to get some Sennheisers.

    I am pleased to have succumbed to this temptation. I bought these only 2 days ago but I have not enjoyed my music this much in a long time. The sound is crisp, the bass is thick and distinguished, the voices sound natural and clear. You know that loud, annoying group of friends chatting hysterically when you just want to listen to your damn music? You can forget about them. And the wailing baby. And the vigorous roar of the bus engine. The Sennheisers will clog your ear up, and you won't hear squat from the world around you unless it damn pleases you.

    All in all, 5 stars. Does exactly what I want it to and no more.
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    4 of 4 people found the following review helpful By jonathan robert evans on 1 Mar. 2014
    Colour Name: Black Verified Purchase
    first a bit of background: i do sound enjineering, i work on a sound desk alot. and sound quality really really matters to me. obviouly i use expensive studio grade cans when working on the sound desk. i brought these as a mobile pair of earphones to listen to general music. and these querky little buds have stepped up to the plate with all the £70 earphones out there! ...

    i absolutly love this product. i have this thing for sennheiser products because they give you GREAT sound, great looks, outstanding comfort at a resonable price. the levels are good although it can sound abit "tinny" if you have the fitting wrong so just wiggle it abit to get a snug fit. it is really comfortable to wear and i fiddled about with the sizes of earbuds and found the meduim perfect for my ears. Obviously this might not apply to other people.

    the strength of the product is amazing it has been crushed in my bag so many times and it hasent been damaged at all. it is very solidly built and i dont see it breaking anytime soon. i have had these for about 2 months now and they are still just as good as they where out of the box.

    Cons: if it is a cold day, the earpeices may fall out quite abit due to it not being able to get a grip in your ear, this is a stupid thing to say in a reveiw as they cant do anything about it, but it's just a warning to others.

    the postage was good and arrived in really good time. WELLDONE sennheiser and i'll be looking forward to buying more of your products.
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    Colour Name: Black