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Item#: N82E16826106625

Sennheiser MX685 Adidas SPORT Headphones

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  • 1/8 inch (3.5mm) Connector
  • Symmetrical cable
  • Maximum ruggedness and durability
  • Slide-to-Fit holding mechanism for secure
  • 2 year warranty

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews


Sennheiser MX685 Adidas SPORT Headphones

Durable, portable and secure, these ear buds are perfect for your active lifestyle and deliver powerful, natural stereo sound. Sliding holders help keep them in place and adapters ensure a snug, comfortable fit.


Move up the fitness ladder and push yourself harder with the MX 685 SPORTS earphones. The unique, patent-pending slide-to-fit holding mechanism ensures a custom fit that is comfortable and secure. You can focus your attention on your workout, not on your ears. The high-output drivers deliver an energizing yet natural stereo sound, motivating you to run that extra mile. Design-wise, the in-ear style provides greater situational awareness and safety: you can stay aware of surrounding traffic noise while you exercise.


The headphone is sweat- and water-resistant. Various ear adaptor sets offer maximum comfort.

Slide-to-Fit holding mechanism provides a secure, comfortable fit throughout your workout.

Ideal for use with all MP3, iPad, iPod, iPhone, miCoach, CD players, mobile phones (3.5mm) and A/V systems installed in gyms. Two-year warranty.

  • Maximum Ruggedness and Durability
  • Customized Fit
  • Excellent Connectivity


Frequency Response 18Hz - 20,000Hz
Sound Pressure Level (SPL) 118dB (1kHz / 1Vrms)
THD - Total Harmonic Distortion (1KHZ, 100 DB SPL) <.05%
Impedance 16O
Weight 150g
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. MX685

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by's Standard Return Policy.
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