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Etymotic HF2 Noise-Isolating Earphones w/ Mic - Black

Model: ER23-HF2-BLACK-AN

  • No Longer Available at 
  • Not yet reviewed
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About: Etymotic HF2 Noise-Isolating Earphones w/ Mic - Black

A no compromise, high-performance noise-isolating headset + earphones that delivers best-in-class benefits and superior value, perfectly matched to the latest product innovations from most smartphones that support a 3.5mm/4-conductor stereo phone plug.


  • Best sound accuracy
    • 85%+ response accuracy from
      20 Hz – 15 kHz
    • Achieves highest output sensitivity in its class with 105 dB SPL sensitivity at 1 kHz at 0.1 mV
    • Accu•Driver™ high performance, precision matched, balanced armature driver
  • Best noise isolation
    • 35 dB - 42 dB of noise isolation
    • Documented highest noise isolation of any earphones or headphones on the market today
    • Programmable Noise-isolation Feature using our AWARENESS!® for Etymotic App
  • Best communication and control
    • Close-proximity high sensitivity microphone
    • Made to work with smartphones and tablets from Blackberry, Samsung, HTC, Motorola Mobility, HP and Apple.
  • Best style and fit
    • Soft touch finish in 3 color options: Black, Ruby and Cobalt
    • An assortment of noise-isolating ACCU•Fit eartips options to ensure proper seal and comfort
    • CUSTOM•FIT option available
  • Best durability and warranty
    • 2-year replacement warranty
    • Kevlar®-reinforced cable for durability
    • ACCU•Filter™ User-replaceable filters that protect the balanced armature drivers from ear wax


  • Frequency Response: 20 Hz - 15 kHz
  • Accuracy Score: 85%
  • Transducers: High-performance balanced armature
  • Noise Isolation: 35-42 dB
  • Impedance (@1 kHz): 16 Ohms
  • Sensitivity (@1 kHz) SPL at 0.1V: 105 dB
  • Maximum Output (SPL): 120 dB
  • Cable: 4 ft with 3.5 mm plug
  • User Replaceable ACCU•Filters™
  • Warranty: 2 years

Works with smartphones and tablets including, but not limited to, those running Android, Blackberry, Windows Phone, HP WebOS, Symbian and Apple iOS. Functionality for send/end, play/pause, forward/back track varies with device manufacturers' software. Please verify that your phone or tablet supports a 3.5 mm/ 4-conductor stereo phone plug.

UPC: 084643000832 is a Canadian authorized Etymotic Research retailer.

Reviews: Etymotic HF2 Noise-Isolating Earphones w/ Mic - Black

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