Etymotic Research ER23-HF3-BLACK-I hf3 Earphones + Headset Balanced Armature Noise-Isolating Earphones with Microphone

The hf3 from Etymotic Research is a no-compromise, high-performance noise-isolating earphones + headset package that offers best-in-class benefits and exceptional value, perfectly matched to work with the latest product innovations from Apple®.

High performance, balanced-armature drivers are specified for a response accuracy of 85% or better.

Etymotic Research hf3 Earphones + Headset Includes:

• hf3 earphones + headset
• Assortment of eartips
• Filter removal tool and replacement filters
• Pouch

Etymotic Research hf3 Earphones + Headset Features:

• 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
  • 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
• Best communication and control
  • Close-proximity high sensitivity microphone
  • Made for Apple iPod®, iPhone® and iPad™ functionality
• Best style and fit
  • Black soft-touch finish
  • An assortment of noise-isolating eartips options to ensure proper seal and comfort
  • CUSTOM•FIT option available
• Best durability and warranty
  • 2-year replacement warranty
  • Reinforced cable for durability
  • User-replaceable filters that protect the balanced armature drivers from ear wax

Etymotic Research hf3 Earphones + Headset Specifications:

• Frequency Response: 20 Hz - 15 kHz
• Accuracy Score: 85%
• Transducers: High-performance balanced armature driver
• Noise Isolation: 35-42 dB
• Impedance (@ 1 kHz): 16 Ohms
• Sensitivity (@ 1 kHz) SPL at 0.1v: 105 dB SPL for 1V rms drive
• Maximum Output (SPL): 120 dB
• Cable Length: 4ft
• User Replaceable ACCU•Filters: Yes
• Warranty: 2 Years
• CUSTOM•FIT Option: Available (see note below)

Note

NOTE: Due to the personal nature of its usage, this product is non-returnable. Please contact your Sales Pro if you need assistance when choosing.

NOTE: Due to the personal nature of its usage, this product is non-returnable.

NOTE: Etymotic offers a cost-effective CUSTOM•FIT solution to make your favorite earphones the best they can be with superb comfort, secure fit, and consistent noise isolation. It requires a brief registration process and a visit with an authorized audiologist to have ear impressions made. Please contact your Sales Pro for more information on this option.