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Sennheiser CX 300B MK II Precision Enhanced Bass Earbuds (Black)

4 out of 5 stars 209 customer reviews
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List Price: CDN$ 89.99
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  • Offering a powerful, bass-driven stereo sound with greater clarity and improved dynamics are the CX 300-II Precision Black ear-canal phones
  • High-quality dynamic speaker systems for powerful, bass-driven stereo sound
  • Optimized for MP3, iPod, iPhone, CD players and portable gaming systems
  • 19 - 21000 Hz; 16 ohm; 113 dB
  • 1.2 m asymmetrical cable;
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Frequently Bought Together

  • Sennheiser CX 300B MK II Precision Enhanced Bass Earbuds (Black)
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  • Sennheiser HD 598 Special Edition Over-Ear Headphones, Black
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Total price: CDN$ 376.36
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System Requirements

  • Platform: Not Machine Specific
  • Media: Electronics
  • Item Quantity: 1

Product Details

  • Product Dimensions: 11.8 x 411.5 x 243.8 cm ; 227 g
  • Shipping Weight: 91 g
  • Item model number: CX300 MK II
  • ASIN: B001EZYMF4
  • Date first available at Amazon.ca: May 23 2009
  • Average Customer Review: 4.0 out of 5 stars 209 customer reviews
  • Amazon Bestsellers Rank: #567 in Electronics (See Top 100 in Electronics)
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Product Description

Amazon.ca Product Description

In-ear headphones with asymmetrical cable.

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

Customer Reviews

Top Customer Reviews

Verified Purchase
Thoughts:
These headphones are a great upgrade to your standard headphones that come with your device. Sennheiser has one of the best track records and they continue to make amazing products. I trust the company and they rarely create low quality stuff. The price point is perfect for people who want something that sounds great but don't want to dish out $50+ dollars for something better. I would say that the sweet spot for the best quality:price ratio is probably higher at $90 but of course not everyone is on the pricey audio boat.

Pros:
+ Super comfortable
+ They weigh next to nothing
+ Low profile
+ 90 degree jack (reduces strain from the wire in my pocket)
+ Sounds great!

Cons:
- Wire is thin and grippy causing a lot of tangles
- No mic (i miss having a mic)
- No inline controls (play/pause, vol up and down)

Other subjective things:
* They are minimalist, black w/ silver accents
* J-cord that wraps around the back of your neck (Personally I can't go back to regular cords any more)
* Reasonable price tag
* Sounds good for the price (Not an audio expert so take this with a grain of salt)
Highs are good, a little tin-ey when volume is turned up
Mids are average, nothing special
Bass is rich, not overpowering and has a good kick
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Verified Purchase
The sound quality is great. And (for my ears anyway), I can get them in a spot that doesn't isolate outside noise - when I need to hear an announcement, for example - but they stay in my ears. Very clear sound, excellent bass response without being too punchy. And if I do want noise isolation, they do that great as well.

Unfortunately, after just under a year, the wires are clearly loose near the plug, as sound drops off a lot or a little on one or both ears whenever it's bumped. To be fair, I use them every single day, twice a day on my commute, but they're always carefully coiled and kept in their pouch when not in use. I had hoped they would last longer than that.
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Verified Purchase
Audio quality is good for my listening habits (gym, flights, running). One of the earbud cords was designed to be longer so that they hang to the side, but it seems excessive and is a minor annoyance if you're wearing a jacket or zip-up sweater. Still glad I picked 'em up.
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Verified Purchase
Have only had these for a week, and absolutely love them. Well, mostly. The sound is a straight upgrade from the basic run of the mill, the sound is really on another platform with these buds. The bass is really nice, the size needs to get some getting used to if you're used to the smaller output parts on other earbuds. They block outside sounds really nicely and are immensely clear. My only quips about this pair is during gaming, and the wires.

I'm not too much of a hardcore gamer, but I do enjoy FPS and indie games, and the sound positioning of these are off in my experiences. I'll say it's too sensitive. I don't know, maybe I'm just not used to it yet, but gun shots, no matter where they are in the range of hearing sound exactly the same. A gunshot from a teammate beside you sounds exactly the same as a gunshot that is a decent ways behind you, and your teammates scream when they fall (as well the enemies) all sound like they were beside you, not from their positions. Definitely would not recommend these for FPS games as you'll be going crazy trying to determine where are all the shots around you while getting shot by something that is ACTUALLY beside you, as there is little to no differentiation of the shots that you hear! WILL provide and update as I get more used to these buds!

About the wires, they're really rubbery and get tangled really easily and have different lengths with the right and left side.

Really, it's the FPS game use thats my only legitimate complaint, but they weren't made for this, I get it. And its okay! You should be using gaming earbuds/headphones if you're really into it anyways, or lower quality buds if you're just a casual (my run of the mill $20 sony earbuds differentiate sounds a lot better in the said FPS games than these ahah)
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Verified Purchase
After 7 months, the right earbud stopped working. I contacted Sennheiser about providing me with a replacement or fixing it. They informed me that because amazon.ca is not an authorized reseller, I am not covered by warranty. Nowhere does it mention on this page or any further documentation about this legal loophole. Do not purchase this product unless you are content with a substandard product and service.
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Verified Purchase
Awesome for the price. Spent hours upon hours looking for earbuds at this price range and I have got to say these are by far the best and I'm not disappointed. Bass is very clean and not overpowering. Get these if you want premium sound without paying hundreds of dollars
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Verified Purchase
I'm using my third set of these (having broken the first one and lost the second one) and they really are great. They really block out external noise quite well and the quality of the sound is great. As someone with pretty small ears, I'm also quite happy that they fit and stay in! Having gone through a number of headphone sets, I would highly recommend these as the best ones - it's a good investment.
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