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Item#: 9SIA9J83HA7488

Sennheiser CX685 Adidas SPORT Headphones

  • Symmetrical cable
  • Maximum ruggedness and durability
  • Premium comfort
  • Customized fit
  • Natural sound

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews


Sennheiser CX685 Adidas Sport Headphones


Designed for active lifestyles, the Sennheiser CX685 Adidas Sport Headphones add flavor to your gym workout with full-range, dynamic sound, so you can train and redefine your own physical limits in easy-going pleasure. The Slide-to-Fit holding mechanism ensures comfortable and secure stay on your ear, while ear canal coupling blocks out virtually all ambient noise so you will not be distracted by the harsh clanking of the weight machine nearby while pressing your last rep of your bench press routine. Boasting Para-aramid reinforced cables, matched with strain relief and parts made of flexible, shock-absorbing material, this pair of ear-canal phones are about as tough and intense as your gym workout.


These durable, dynamic ear canal phones deliver full, rich sound while staying in place and taking what you dish out in your most strenuous workout. Size adapters for a perfect fit and a carrying pouch are included.

  • Maximum ruggedness and durability - Sweat and water-resistant
  • Premium comfort - Various ear adaptor sets for maximum comfort
  • Customized fit - EarFin holding system for secure and comfort fit during workouts
  • Natural sound - High output drivers and noise attenuation
  • Superior strength and reliability - Para-aramid reinforced cable
  • Excellent connectivity - Ideal for use with all MP3, iPad, iPod, iPhone miCoach, CD players, mobile phones (3.5mm) and A/V systems installed in gyms


Frequency Response 18Hz - 20,000Hz
Sound Pressure Level (SPL) 120dB (1kHz / 1Vrms)
THD - Total Harmonic Distortion (1KHZ, 100 DB SPL) <0.5%
Impedance 16O
Weight 149g
Cable Length 1.2m Symmetrical Cable
Jack 1/8in. (3.5mm) Angled Plug
Warranty Two-Year

What's in the Box



Learn more about the Sennheiser Electronic corp. CX685 SPORT

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years
  • Read full details

Customer Reviews of the Sennheiser Electronic corp. CX685 SPORT

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3 out of 5 eggsFast shipping. Good fitting ear buds

Pros: Delivered quickly. Nice to wear when exercising (Running, lifting etc) Stylish and comes with different ear buds for multiple size ears.

Cons: Left ear piece went out within a month of usage. Just unlucky I guess.

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  • 1/21/2013 3:38:54 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsSound Good, Fit Good

Pros: Sound very good with strong bass and treble. Fit is superior to yellow corded version with the detachable ear wings. These wings dont detach or get squirmy when sweaty. I paid 69 bucks to replace my old version seinheiser addidas sport buds. I expect price to drop for lack of controls. Shipped fast. Came in a huge box that I put shoes in now.

Cons: No volume control.

Other Thoughts: Dont eat toothpaste.

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