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Sennheiser PMX 685i Sports In-Ear Neckband Headset (Black)

  • Maximum ruggedness and durability
  • Situational awareness
  • Customized fit
  • Natural sound
  • Superior strength and reliability
  • Email this page
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Sennheiser PMX 685i Sports In-Ear
Neckband Headset (Black)

If you're in the market for a durable neckband headset that's designed with an active lifestyle in mind, here it is. The strong, natural sound provided by high-output drivers means you'll enjoy your workout more, too.


The PMX 685i SPORTS neckband headset is not only lightweight, it also sits unobtrusively under your bike helmet. It stays exceptionally secure through the bumps that the road throws at you.

High-output drivers deliver a powerful and natural stereo sound, while the in-ear design provides great situational awareness. You'll be conscious of traffic noise as you pedal your way through busy roads and paths. A unique moisture protection system allows you to rinse the headset under the tap to remove grime and perspiration.


The headphones are sweat- and water-resistant. They allow just the right amount of outside noise, so you'll always be aware of your immediate environment

The ergonomic neckband provides a secure and comfortable fit during workouts.

The integrated smart remote and microphone offer enhanced usability and convenience.

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
  • Ease of Use
  • Excellent Connectivity


Impedance 16O
Frequency Response - Headphones 18 - 20000Hz
Frequency Response - Microphone 100 - 10000Hz
Sound Pressure level (SPL) 120dB
THD - Total Harmonic Distortion < 0.5%
Jack 3.5mm angled
Cable length 4ft (1.2m) single-sided cable
Pick-Up Pattern Omni-directional
Sensitivity as per 121 TR 9-5 -44dB V/Pa


Quick Info


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

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