Pump up the sound of your portable music player or game system with these lightweight, high-quality buds from Sennheiser. They'll help you hear more detail in your favorite music by delivering pure, clear sound over a wide frequency range. The earbuds fit just inside your ear canal to naturally block out distracting ambient noise so you can listen to your tunes at lower, safer volume levels. Plus, their adidas-inspired design and blue color just plain look cool. Use 'em at the gym, at home, or anywhere you go. Store them in the included soft case.

Product Highlights:

  • sound-isolating earbud design
  • comes with 3 sizes of interchangeable earbud sleeves
  • frequency response: 19-21,000 Hz
  • impedance: 16 ohms
  • 48" cable with stereo mini plug connection
  • soft carrying pouch included
  • weight: 0.35 oz.
  • warranty: 2 years
  • Our 60-day money-back guarantee

Hands-on research

What's in the box?

Download owner's manual

  • Noise-isolation earbud style headphones (with attached 48" cord terminated by a 3.5mm connector)
  • Small silicone ear-tips
  • Medium silicone ear-tips (installed)
  • Large silicone ear-tips
  • Storage pouch

Features and Specs

General
Fit Style In-ear/Earbud
Earcup Type Closed
Noise-canceling No
Bluetooth No
Frequency Response 19-21k Hz
Sensitivity 113 dB
Impedance 16 Ohms
Weight 0.35 ounces
Cord Length 48"
Airline Adapter Included No
iPod Control No
Volume Control No
Built-in Microphone No
Parts Warranty 2 Years
Labor Warranty 2 Years

Product Research

Features

Overview: The CX 310 are noise-isolating in ear canal headphones. They use dynamic drivers for a powerful, bass-driven stereo sound.

Sound Isolating Technology: The CX 310's in ear design works like an earplug to attenuate ambient noise. This enables you to listen at lower volumes even in loud environments.

Fit: Because every ear is different, the CX 310s come with three different size ear-tips to ensure a good fit. The soft flexible tips gently contour to the inside of your ear to create a comfortable secure fit, and won't fall out when you move.

Carrying Pouch: The CX 310s come with a carrying pouch for convenient handling and storage.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Sennheiser/adidas® CX 310 Originals Reviews

Average Customer Review:

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CX310

Written By Randy B, Ogden, Utah on Monday, August 06, 2012

Crutchfield Customer Review (What's this?)

  • "Coolness Factor"
  • Build Quality
  • Comfort
  • Noise Reduction
  • Sound Quality

The Sennheizer CX 310 ear buds are fantastic, sound quality is at a premium and you hardly know you have them installed. I have listened to portions of songs and never heard this kind of detail. Thanks

Pros: Sound Quality and performance. Clear and precise.

Cons: N/A

Phenomenol

Written By Doug S., Boise, ID on Saturday, April 14, 2012

Crutchfield Customer Review (What's this?)

These are some very amazing headphones that reproduce bass, mid, and treble with clarity. Indeed, these headphones will bring out instruments and sounds in your music not normally heard. If you are looking for a well balanced set of ear buds that produce base, mid, and treble without over emphasis of either, this is an outstanding set to hear.

Pros: Very clear and near-audiophile-grade sound quality. Much higher sound quality than you'd expect from any other ear buds. I'd say these are even better than some of the over-the-hear headphones, the bass is amazing.

Cons: You'll want to fit these in your ears just right, otherwise the bass will seem as if it doesn't exist. Use the right size fitting to maximize the noise reduction. I imagine some may find that it will take a bit of getting used to, but it is worth the effort.