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Etymotic ER4SR Studio Reference Earphones

Model: ER4SR

Etymotic ER4SR Studio Reference Earphones
Etymotic ER4SR Studio Reference Earphones
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About: Etymotic ER4SR Studio Reference Earphones

Etymotic invented noise-isolating, in-ear earphones. The ER4 MicroPro series earphones were the first earphones commercialized using balanced armature  technology and 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.

ER4SR is Etymotic’s new reference standard hi-fidelity earphone, for those who demand nothing less than the highest fidelity. The next generation of our long revered flagship earphone, the ER4S, the ER4SR delivers increased accuracy with greater sound output, or sensitivity. Like its predecessor, the ER4SR channels are matched within an industry-leading 1dB across frequencies from 100Hz to 10 kHz. The new ER4SR incorporates significant cosmetic and functional improvements, from a sleek, anodized and laser-etched aluminum body to the reinforced, user-replaceable detachable cable. The ER4SR is a must have for discerning engineers, audiophiles, and consumers wanting the most accurate in-ear earphone available.

Backed by decades of research and development for the ear

World leader in sound reproduction

  • Unsurpassed frequency response accuracy and sound quality — 92%+ response accuracy from 20 Hz – 16 kHz
  • The only earphones with 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 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
  • User-replaceable filters protect the balanced-armature drivers from ear wax

What’s In the Box?

  • ER4SR Earphones
  • Detachable, 5 ft. cord with 3.5mm gold plated stereo plug
  • ¼” stereo phone adaptor
  • Assortment of eartips
  • Filter removal tool and replacement filters
  • Shirt clip
  • Zippered storage case
  • Performance certificate

UPC: 846430002012

AVShop.ca is a Canadian authorized Etymotic Research retailer.

Reviews: Etymotic ER4SR Studio Reference Earphones

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Warranty: Etymotic ER4SR Studio Reference Earphones

AVShop.ca Warranty:

30 Days

Manufacturer's Warranty:

<p>Etymotic Research warrants all products against defects in material or workmanship for a period of either one or two years, depending on the product, from the date of original purchase</p> <p>Products with 2-year Warranty</p> <ul> <li>Earphones <ul> <li>ER&bull;4 Series Earphones</li> <li>hf5</li> <li>mc5</li> </ul> </li> <li>Headsets (wired) <ul> <li>hf2</li> <li>hf3</li> <li>mc2</li> <li>mc3</li> </ul> </li> <li>Headsets (Bluetooth) <ul> <li>etyBLU2</li> </ul> </li> </ul> <p>Products with 1-year Warranty</p> <ul> <li>Earphones <ul> <li>MK5</li> <li>HD5 Safety</li> <li>ETY&bull;Kids5</li> </ul> </li> <li>Headsets (wired) <ul> <li>HD3 Safety</li> <li>ETY&bull;Kids3</li> <li>ETYCOM</li> </ul> </li> <li>Electronic Earplugs <ul> <li>GunSportPRO-15</li> <li>HD-15</li> <li>MusicPRO MP9-15</li> <li>EBLE-15</li> </ul> </li> <li>Personal Sound Amplifiers <ul> <li>The BEAN</li> </ul> </li> <li>Other <ul> <li>Home Hearing Test</li> </ul> </li> </ul>