(0)

Questions? Call Us:
800-356-5844

Etymotic Research Inc ER4-SR
Reference In-ear Headphones

OUR PART #:  ER4-SR

The Etymotic Research Inc ER4-SR ER4® reference earphones are developed for auditory research and hearing testing...
Learn More
Our Price: $349.00

Full Compass offers free ground shipping on thousands of stock and non-stock (special order) items for orders placed on this web site and shipping in the continental US (48 states).

Learn More

Free Shipping

Available

We guarantee to match pricing on the products we sell for new, identical and immediately available products if you see them offered at a lower price. Please contact us if you find a lower price before purchasing.

Learn More

Low Price

Guaranteed

Etymotic Research Inc ER4-SR
Qty:
In Stock

Similar Products

The Etymotic Research Inc ER4-SR ER4® reference earphones are developed for auditory research and hearing testing, used balanced –armature receivers and established these speakers as the gold standard for high-definition, in-ear earphones. ER4 earphones were the first high-fidelity, noise isolating in-ear earphones to use this technology in a consumer earphone, and are recognized as the world leader for response accuracy to which all other earphones are compared.

Etymotic Research Inc ER4-SR Includes:

  • 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

Etymotic Research Inc ER4-SR Features:

  • 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
  • Professional quality and reliability
  • An assortment of noise-isolating eartip options to ensure proper seal and comfort
  • CUSTOM•FIT option available
  • 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
  • 2-year replacement warranty
  • User-replaceable filters protect the balanced-armature drivers from ear wax

Etymotic Research Inc ER4-SR Specifications:

  • Frequency Response: 20 Hz - 16 kHz
  • Transducers: High performance, balanced armature micro-drivers
  • Noise Isolation: 35-42 dB
  • Impedance (@1kHz): 4XR (45 Ohms) 4SR (45 Ohms)
  • Sensitivity (@1 kHz) SPL at 0.1v: 4XR (98 dB) 4SR (98 dB)
  • Maximum Output (SPL): 122 dB
  • Cable: 5 ft Detachable
  • User Replaceable ACCU-Filters: Yes
  • Warranty: 2 Years
  • Custom-Fit Option: Yes
Add to Cart

We're sorry, only of this item available



Call a Sales Pro at 800-356-5844 for more information

© 2017 Full Compass Systems, LTD  9770 Silicon Prairie Parkway, Madison, WI 53593  All rights reserved.

We are not responsible for typographical errors in pricing or product specification
inaccuracies in our catalog or web site. Prices are subject to change without notice.