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Etymotic Research ER-4PT Noise-Attenuating Earphones

Availability: In-Store
$298.99

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Product Description

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Etymotic Research has their company motto right in the name. "Etymotic" (pronounced et-im-oh-tik) means "true to the ear." Founded in 1983 by Mead Killion, Ph.D., Etymotic's mission has been to design products that accurately assess hearing, and improve the lives of those that use their products. Hearing aids, as well as ear protection to prevent hearing loss are among the first products they produced.

In 1984, Etymotic Research invented insert earphones as we know them, and has continued to define what it means to be high fidelity as an IEM.

When first invented, noise-isolating, in-ear earphones were developed for auditory research and medical diagnostics. Etymotic used balanced armature receivers, establishing them as the authority over high fidelity IEMs. As the first series earphone commercially available using this technology, the ER-4PT are recognized as the world leader in response accuracy, to which all other earphones are compared. After more than 20 years, these reference-quality earphones are still the choice of serious sound engineers, audiophiles and musicians.

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Additional Information

Additional Information

Product Specification
  • Type: In-Ear, Stereo, Balanced Armature
  • Frequency Range: 20 Hz - 16 kHz (86% Accuracy)
  • Impedance: 27 ohms
  • Sensitivity: 108 dB
  • SPL: 122 dB, Max
  • Maximum Input Power: 0.75 VRMS, Continuous
  • Isolation: 35-42 dB
  • Connectors: 3.5 mm Stereo Mini Plug
  • Cable Length: 5' (1.5 m)
  • Weight: 1 oz (28 g)
  • Highlights
  • ACCU·Driver Balanced Armatures
  • 98% Noise Isolation
  • Multiple Eartips
  • Braid-Reinforced Cable
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