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Sennheiser OCX 685i Sport In-Ear Headphones (Black)

  • Maximum ruggedness and durability - Sweat and water-resistant
  • Excellent connectivity
  • Superior strength and reliability
  • Customized fit - Ergonomic earhooks for optimal secure fit
  • Premium comfort
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Learn more about the Sennheiser Electronic corp. OCX685I



General SPEC

Frequency Response
< 0.5 %
Input Impedance
16 ohms
120dB S.P.L. at 1KHz
3.5 mm angled
Cord Length
3.94 ft.

Microphone SPEC

Microphone Frequency Response


Maximum ruggedness and durability - Sweat and water-resistant

Premium comfort - Various ear adaptor sets for maximum comfort

Customized fit - Ergonomic earhooks for optimal secure fit

Natural sound - High output drivers

Superior strength and reliability - Para-aramid reinforced cable

Ease of use - Integrated smart remote and microphone for enhanced usability and convenience

Excellent connectivity - Ideal for use with all MP3, iPad, iPod, iPhone (iPad, iPhone and iPod are trademarks of Apple Inc., registered in the U.S. and other countries.), miCoach, CD players, mobile phones (3.5mm) and AV systems installed in gyms

Sensitivity as per 121 TR 9-5: - 44 dB V/Pa

Quick Info

Customer Reviews of the Sennheiser Electronic corp. OCX685I

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  • William N.
  • 5/10/2014 10:39:23 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsThey grew on me

Pros: Stay in your ear while running. Sound quality is as good as you can expect for moderately priced earbuds. Relatively flat sound (that's a good thing). Can wear for long periods.

Cons: Goofy volume / pause buttons. Not terrible, but not really worth using either.

Other Thoughts: Claims all kinds of compatibility with Apple devices, but works fine on android.

Everyone's needs are different, but the cord length is perfect for me. I run it through my shirt. If running, the phone is in my hand. Otherwise, in my pocket.

It would be nice if the ear hooks came in different sizes, but the reality is, they do their job and keep the earbuds where they belong while exercising.

I've a pair of Sennheiser HD 485's that I love. No earbuds will sounds as good, but these earbuds are much better than I expected.

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