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Etymotic ER4-PT Portable Travel In Ear Isolating Earphones with Replaceable Cable

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  • Unsurpassed frequency response accuracy and sound quality

  • Accu-Driver balanced-armature, precision-matched, custom-tuned drivers

  • Comes with extra mobile adaptors and accessories for travelling professionals

  • Accu-Filter user-replaceable filters protect the balanced-armature drivers from ear wax

  • Kevlar-reinforced cable for extended durability

Etymotic ER4-PT Portable Travel In Ear Isolating Earphones with Replaceable Cable

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Etymotic ER4-PT

Made for sound engineers and audiophiles in constant motion, Etymotic ER4-PT combines the acoustic characteristics and features of ER4-PT earphones and comes with extra mobile adaptors and accessories for travelling professionals. Also included is an industry-exclusive channel-matching compliance graph.

True high-end sound

Trusted Reviews

An assortment of ACCU-Fit eartips is provided in the package of the ER4-PT earphones. The triple-flange eartips reduce sound an average of 35dB, which is approximately 98% noise reduction. The foam eartips provide slightly more (42dB) sound reduction. Lowering outside sound allows you to hear the full dynamic range of the recording without having to play it at unsafe levels.

Etymotic invented noise-isolating, in-ear earphones. Etymotic's original insert earphone design, developed for auditory research and medical diagnostics, used balanced armature receivers and established these speakers as the gold standard for high-definition, in-ear earphones.

Decades of research and development.

 

 Etymotic ER4-PT

 

Leading Technology
Etymotic ER4 series earphones were the first earphones commercialised using balanced armature driver technology and are recognized as the world leader in response accuracy, to which all other earphones are compared.

Compliance Graph
Included with every pair of ER4 earphones is an industry-exclusive channel-matching compliance graph, signed by the Etymotic engineer who precision matched and custom tuned the balanced-armature drivers.

Superior Isolation
Providing the highest noise isolation of any earphones or headphones on the market today, Etymotic ER4-PT include an assortment of noise-isolating ACCU-Fit eartips options to ensure proper seal and comfort.

Durable Design
The user-replaceable ACCU-Filter acoustic dampers are not only a part of the ACCU-Chamber driver housing, but also protect the balanced armature driver from ear wax. Etymotic also includes a 2 year warranty.

 

REVIEWS

 

Trusted Reviews Appraises Etymotic ER4-PT Earphones

Trusted Reviews

“If you're after a lean, mostly uncoloured sound then these earphones offer up some of the best sound available from a single driver.”

 

TECHNICAL SPECIFICATIONS

  • Transducer type: Precision-matched, custom-tuned, Balanced Armature
  • Response Accuracy: 86%
  • Noise Isolation: 35-42dB
  • Frequency response: 20Hz - 16kHz
  • 1 kHz sensitivity: 108dB
  • Impedance: 27Ω
  • Sound Pressure Level: 122dB
  • Cable length: 1.5m
  • Connection: 3.5mm stereo plug

 

Etymotic ER4-PT

 

FEATURES

  • Unsurpassed frequency response accuracy and sound quality
  • ACCU-Driver balanced-armature, precision-matched, custom-tuned drivers
  • An assortment of noise-isolating ACCU-Fit eartip options to ensure proper seal and comfort
  • Reduction of outside noise reduces the risk of listening at unsafe levels
  • Braid-reinforced cable for enhanced durability and low microphonic effect
  • ACCU-Filter user-replaceable filters protect the balanced-armature drivers from ear wax
  • 2-year replacement warranty

 

PACKAGE INCLUDES

  • Etymotic ER4-PT Portable Travel Earphones
  • 6.35mm stereo adaptor
  • Assortment of ACCU-Fit eartips
  • Filter changing tool and replacement ACCU-Filter wax filters
  • Shirt clip
  • Airline adaptor
  • Travel pouch
  • Storage box
  • Channel-matching compliance graph

 

Etymotic ER4-PT

 

BrandEtymotic
Product TypeEarphones
ColourBlack
Feature KeywordComfortable, Ear Canal, IEM, In Ear, Lightweight, Noise Isolation, Portable, Travel
Recommended UseDigital audio player, Portable audio system
Manufacturer Warranty2 Years
Included Accessories6.35mm stereo adaptor, ACCU-Fit eartips, Filter changing tool and ACCU-Filter wax filters, Shirt clip, Airline adaptor, Travel pouch, Storage box Channel-matching compliance graph
Part NumberKETE0130
GTIN84643000306
Headphone Fit TypeIn-Ear
Headphones TypeHeadphones - binaural
Cable EntryNo
Cable Length1.2m
Connector AngleAngled
Connector TypeHeadphones (3.5 mm stereo jack)
Detachable CableNo
Driver SizeNo
Driver TypeBalanced Armature
Connectivity TechnologyWired
Earcup DesignNo
Frequency Response20Hz - 16kHz
Headphones Form FactorIn-Ear
Headphones TechnologyBalanced Armature
Impedance27Ω
Number of DriversSingle Driver
Sensitivity108dB
Sound Isolation (dB)35dB - 42dB
Sound Output ModeStereo
Smartphone CompatibilityNo
Smartphone ControlsNo
Total Harmonic Distortion (THD)No
Wireless TechnologyNo

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