Etymotic Research

Etymotic Research hf2 Stereo High-Fidelity Headset with Cell Microphone - Black

SKU: ER23HF2BK MFR: ER23-HF2
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About this item

The hf2 is a high-fidelity, hands-free noise-isolating headset and earphones combination. But it's really much more than that. The hf2 provides a near-perfect music experience. Made by Etymotic Research, the people who created in-ear earphones, the hf2 delivers Etymotic's world-renowned sound quality in a comfortable, convenient wireless phone headset, so you'll never miss a call! Headset includes a high-sensitivity microphone and a Music/Call button that allows you to quickly answer calls while controlling your music.

You'll be able to hear and be heard, clearly, even in a noisy environment. The hf2 includes the in-ear headset and earphones, assorted eartips so you can find the ones that fit you best, carry pouch and filter changing tool with filters. Works with iPhone, including 3Gs and other music phones that operate with a 3.5 mm/4-contact phone + stereo plug. Compatible with most music players (e.g., iPod, mp3, CD) that accept a 3.5 mm stereo plug. hf2 headset + earphones can be worn with the cables in front or in back of the head. The cable slider can be adjusted by moving it up or down for a snug fit.

What's Included With This Item

  • Etymotic Research hf2 Stereo High-Fidelity Headset
  • Earphones with 4 Feet Cable
  • Assorted Eartips
  • Filter Tool with 2 Replacement Filters
  • Storage Pouch
  • Etymotic Research 2 Years Warranty

Technical Specs

Compatibility iPhone and other music phones that operate with a 3.5 mm/4-contact phone + stereo plug
Compatible with most music players (e.g., iPod, mp3, CD) that accept a 3.5 mm stereo plug
Frequency response 20 Hz -15 kHz
Noise isolation 35- 42 dB (depending on eartip used)
Acoustic polarity + electrical = + acoustic
Transducer type Balanced armature
Sensitivity (1 kHz) 105 dB SPL for a 0.1 VRMS input
Impedance 16 Ohms (nominal)
Maximum output 120 dB SPL
Maximum continuous input 0.55 VRMS
Microphone sensitivity -40 dB V/Pa
Cable 4 Feet
Weight 1.3oz / 36.85g
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