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Sennheiser CX300II Binaural Headphone/Headset

  • High-quality dynamic speaker systems
  • Personalized fit in the ear canals
  • Customizable ear adapter system
  • Asymmetrical cable
  • Convenient carrying pouch included
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Learn more about the Sennheiser Electronic corp. CX300II

Model

Brand
Sennheiser
Type
Earphone
Model
CX300II

General SPEC

Color
Black
Frequency Response
19Hz-21KHz
Input Impedance
16 ohms
Sensitivity
113 dB (1kHz/1Vrms)
Connector
3.5mm
Ear Coupling
Binaural
Cord Length
3.94 ft
Weight
0.50 lbs.

Microphone SPEC

Microphone Frequency Response
Minimum Frequency Response 19 Hz - Maximum Frequency Response 21 kHz

Features

Features
High-quality dynamic speaker systems

Personalized fit in the ear canals

Customizable ear adapter system

Asymmetrical cable

Convenient carrying pouch included

Packaging

Package Contents
CX 300-II ear-canal phones

Manufacturer Warranty

Parts
2 Year
Labor
2 Year

Quick Info

Warranty

  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years


Customer Reviews of the Sennheiser Electronic corp. CX300II

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  • James C.
  • 2/10/2014 9:52:01 AM
  • Tech Level: High
  • Ownership: more than 1 year

5 out of 5 eggsLove them.

Pros: Great sound, great bass.
Pretty durable for earbuds (I mean, c'mon guys--earbuds aren't made of adamantium. They won't last forever.)
J cable, for those who like that sort of thing.
Narrow 3.5mm plug--fits into phone cases with no problem.

Cons: I had CX300's and now CX300II's. Being careful about where I put them, they each lasted around 3 years. Both times it was a frayed wire that did them in--the 3.5mm plug and the drivers are fine.
If you're handy with a soldering iron you can do your own repairs for frayed wire breaks. Google "Sennheiser Wire Colors" and "Earbud Repair".

Other Thoughts: Use a dot of superglue under the rubber earpieces to prevent them from ever falling off.
If you lose your rubbers you can buy replacements from Sennheiser.

Did you find this review helpful? Yes No

  • On-Tai H.
  • 9/22/2013 10:13:46 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsA solid buy.

Pros: the Asymmetrical cabling is a useful feature, sound quality is very good(especially if you configure your audio equipment, nothing sounds great without configuring for your own ears), solid build construction, comfortable wear.

Cons: i wish this had a clip somewhere around the splitting box, though this isn't major.
the right Earbuds' cable length compared to the left might be just a little long.
the 3.5mm connector is a J jack; most of the time people are going to want a straight jack for maximum slimness. not a major issue for me, however.

Other Thoughts: i've seen some of these reviews from people that seemingly have purposely bought equipment they didn't want and then bashing it.
the Asymmetrical cable is like that on purpose, it's not a factory defect. if you don't like asymmetrical cables, don't buy this. it's that simple. don't buy it anyways despite it being clearly stated as asymmetrical, and then complain.
Sennheiser even has an explanation on their website as to why the cable is asymmetrical, and a suggestion of how to wear these. if you follow these instructions, they are very comfortable to wear.

1 out of 1 people found this review helpful. Did you? Yes No

  • Shankar N.
  • 7/22/2013 1:43:25 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsgood

Pros: Light compared to my Bose headphone, small, easy to carry in pocket, decent sound quality, nice pouch

Cons: Noise isolation is good, but, sound quality is not as good as Bose QC2.

Did you find this review helpful? Yes No

  • Chad C.
  • 7/17/2013 9:36:26 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year

4 out of 5 eggsFantastic sound quality

Pros: Comes with a little coin purse to keep them in, great sound, anti-tangle cable actually makes it not tangle, comfortable. Asymmetrical cable makes it easy to figure out right from left and reduces cord noise.

Cons: Not very durable for the price.

Other Thoughts: Bought these in February and they broke in July. Always kept them in their little pouch and wrapped them around my first three fingers to store them. Oddly, the break happened in the main cable, not in the thinner one that went to the individual bud.

1 out of 1 people found this review helpful. Did you? Yes No

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