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The Sennheiser CXC 700 is a high-end set of in-ear headphones.

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passive operation - doesn't become useless if the battery dies

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sophisticated control box - includes several buttons and a slider for total control

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3 different noise canceling modes - a setting for just about every possible environment

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includes many accessories in the box

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good battery life - 16 hours from a single AAA battery

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long manufacturer warranty - 2 years

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expensive - retails for over $300 MSRP

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only includes in-ear earbud tips - not compatible with flanges

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The Sennheiser CXC 700 is a high-end set of in-ear headphones. With the NoiseGard/Digital Active Noise Cancellation feature of these headphones, you have three different modes to choose from (each of which designates a different type of noise cancellation), depending on your listening environment. There is a focus on low frequency range (100 to 400 Hz) for train and bus commutes, a focus on mid frequency range (400 to 3000 Hz) for long-haul flights, and a balance between low and mid frequency ranges (100 to 3000 Hz) for crowded environments on the go. The CXC 700's TalkThrough function mutes the audio input and allows you to listen to your external environment, enabling you to communicate without removing the earphones. The integrated control box of these headphones allows you to control the TalkThrough and NoiseGard/Digital Active Noise Cancellation features, as well as the volume. A single AAA battery will power the CXC 700 headphones for up to sixteen hours (though you can still get reduced performance audio through the headphones with no battery, in passive mode). The Sennheiser CXC 700 in-ear headphones have been optimized for in-flight entertainment systems, as well as MP3, iPod, iPhone, iPad and other portable media players

  • Dynamic, closed
  • Intraaural (ear canal fit)
  • Storage pouch
  • Cleaning tool
  • -23 dB / -25 dB (Active/Passive) attenuation
  • 20 - 21000 Hz frequency response
  • NoiseGard/Digital Active Noise Cancellation
  • Integrated control box
  • Ergonomic design
  • 6.8 ? / 42 ? (Active/Passive) impedance
  • TalkThrough function
  • Total Harmonic Distortion:
  • 111 dB at 1kHz Sound pressure level (SPL)   
  • 1.4 m symmetrical cable
  • 3.5 mm angled connector   
  • Weight: 44 g
  • 1 AAA size battery, 1.5 V
  • Operating time: approx. 16 hr (NoiseGard/digital)
  • Operating temperature: 0 - 40°C
  • 2 year warranty
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