Etymotic Research hf3 Noise-Isolating In-Ear Earphones with 3 Button Microphone Control

Don't sacrifice audio quality when listening on your phone! Etymotic Research hf3 earphones block up to 42 dB of noise, letting you focus on the music.

True high fidelity requires reproduced sound to be as close as possible to the sound of a live performance. The Etymotic hf series of in-ear earphones offers high performance balanced armature drivers with unmatched accuracy at an affordable price. The 3 button close proximity microphone designed for use with Apple products allows for easy control and makes the hf3 ideal for voice communications, as well as listening to music, videos, and other entertainment. Includes assorted eartips, replacement filters and filter removal tool, and carrying pouch.


- High performance balanced armature drivers offer unmatched accuracy
- 3 button close proximity in line microphone for easy control and clear communication
- Reinforced 4 ft cable and 3.5 mm stereo jack
- 35-42 dB of noise isolation with a max output of 120 dB
- 2 year manufacturer's warranty provided for products purchased from authorized resellers

In the Box

- hf3 earphones + headset
- Assorted eartips and filter removal tool and replacement filters
- Pouch
WARNING: Cancer and Reproductive Harm -

- Frequency Response: 20 Hz - 15 kHz
- Accuracy Score: 85%
- Transducers: High-performance balanced armature driver
- Noise Isolation: 35-42 dB
- Impedance (@1kHz): 16 Ohms
- Sensitivity (@1 kHz) SPL at 0.1v: 105 dB SPL for 1V rms drive
- Maximum Output (SPL): 120 dB
- Cable: 4 ft.
- User Replaceable filters: Yes
- Warranty: 2 Years
- Custom-Fit Option: Yes
Dimensions and Weight in Packaging
Base Item
Shipping Weight: 0.25 lbs
Shipping Dimensions: 7 x 4 x 2 in
Manufacturer Part Number (MPN): ETY ER23HF3BLACKI

For support or warranty questions, please contact the manufacturer:
Phone: (888) 389-6684


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Return Exception
Because this item is used at your mouth read more or ear, it cannot be returned once opened due to health reasons. read less