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The Sennheiser CXC 700's are in-ear active noise canceling headphones. They feature Sennheiser's unique TalkThrough technology which allows the user to engage in conversation without having to remove the headphones. They can run for continuously for up to 16 hours on one charge. 3 pairs of tips are included with the headphones.


  • Status: Available
  • Availability date: Jan. 6, 2011
  • Price at launch: $319.95


  • Weight: 0.1 pounds
  • Color: Black
  • Design: In-ear
  • Connection type: Wired (3.5mm)
  • Wire length: 48.0 inches
  • In-line remote: Yes


  • Drivers per ear: 1
  • Active noise cancellation: Yes
  • Impedance : 300 Ω
  • Frequency response (low): 20 Hz
  • Frequency response (high): 21000 Hz


  • Quoted use time: 16 hr
  • Battery name: AAA


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