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The Sennheiser OMX 680 is a pair of clip-on earphones made for workouts. It also has a volume control wheel and a detachable extension cable. It features DuPont Kevlar reinforced cabling as well as a sweat-proof construction. The clips are flexible and can be adjusted to ensure a proper fit.


  • Status: Available
  • Availability date: Jan. 5, 2010
  • Price at launch: $49.95


  • Weight: 0.56 oz
  • Color: Black / Yellow
  • Design: In-ear
  • Physical attachment: Clip-on
  • Connection type: Wired (3.5mm)
  • Wire length: 3.9 ft


  • Drivers per ear: 1
  • Impedance : 16 Ω
  • Frequency response (low): 18 Hz
  • Frequency response (high): 20000 Hz


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