Etymotic ResearchER4S
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器材說明
廠商分類生產地販賣年分官方售價
動鐵式耳道中國7000 NTD
官方網址(中文)
官方網址(日文或英文)
器材簡介及規格
Backed by decades of research and development for the ear

World leader in sound reproduction
Unsurpassed frequency response accuracy and sound quality — 86%+ response accuracy from 20 Hz – 16 kHz
The only earphones with Accu•Driver™ balanced-armature, precision-matched, custom-tuned drivers
Highest output sensitivity in its class
Timeless style and fit
Professional quality and reliability
An assortment of noise-isolating ACCU•Fit™ eartip options to ensure proper seal and comfort
CUSTOM•FIT option available
Highest noise isolation
First earphones to completely seal the ear
98% (35 dB - 42 dB) noise isolation —highest of any earphones or headsets on the market today
Reduction of outside noise reduces the risk of listening at unsafe levels
Best durability and warranty
2-year replacement warranty
Braid-reinforced cable for extremely low microphonic effect
ACCU•Filter™ user-replaceable filters protect the balanced-amature drivers from ear wax
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