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Etymotic Research ER4SR Studio Reference Precision Matched In-Ear Earphones (Detachable Balanced Armature Drivers, Noise Isolating, High Fidelity, World Leader Response Accuracy)

4.4 out of 5 stars 66 ratings
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List Price: $349.00
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  • High performance balanced Armature drivers are precision matched to within 1 dB
  • Sleek, anodized, laser-etched aluminum body
  • Braided, reinforced 5ft detachable MMCX cables
  • 35-42 dB of noise isolation with a max output of 122 dB
  • Precision machined metal bodies with anodized finish

Frequently bought together

  • Etymotic Research ER4SR Studio Reference Precision Matched In-Ear Earphones (Detachable Balanced Armature Drivers, Noise Isolating, High Fidelity, World Leader Response Accuracy)
  • +
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Etymotic Research ER4SR Studio Reference Precision Matched In-Ear Earphones (Detachable Balanced Armature Drivers, Noise Isolating, High Fidelity, World Leader Response Accuracy)
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Customer Rating 4.4 out of 5 stars (66) 4.4 out of 5 stars (144) 4.3 out of 5 stars (70) 4.1 out of 5 stars (128) 4.6 out of 5 stars (49) 4.0 out of 5 stars (16)
Price $298.41 $299.95 $119.00 $178.98 $120.68 $149.93
Shipping FREE Shipping. Details FREE Shipping. Details FREE Shipping. Details FREE Shipping. Details FREE Shipping. Details FREE Shipping. Details
Sold By Amazon.com Amazon.com Amazon.com Amazon.com Amazon.com Amazon.com
Color Black Black Black Black Multicolored Multicolored
Fit Type In-Ear In-Ear In-Ear In-Ear In-Ear In-Ear
Item Dimensions 32.00 x 0.25 x 0.25 inches 0.39 x 1.18 x 0.39 inches 2.00 x 3.75 x 7.00 inches 2.00 x 3.75 x 7.00 inches 7.50 x 4.40 x 2.10 inches 7.40 x 4.20 x 2.20 inches
Item Weight 3.20 ounces 0.82 pounds 0.63 ounces 0.63 ounces 6.70 ounces 6.70 ounces
Special Features In-Ear Monitors Etymotic designs products to measure, improve and protect hearing, and enhance the listening experience of music lovers everywhere. Audio engineers, musicians and audiologists at Etymotic have generated over 100 patents issued and pending. Etymotic designs products to measure, protect and improve hearing, and enhance the listening experience of music lovers everywhere. Audio engineers, musicians and audiologists at Etymotic have generated over 100 patents issued and pending. Etymotic designs products to measure, protect and improve hearing, and enhance the listening experience of music lovers everywhere. Audio engineers, musicians and audiologists at Etymotic have generated over 100 patents issued and pending. Lightweight Lightweight

Product description

Color:Black

The Etymotic Research ER4SR is the new reference standard in-ear monitor for those who demand nothing less than the highest fidelity. The next generation of our long revered flagship in-ear earphone, the ER4S, the ER4SR delivers increased accuracy with greater sensitivity. Like its predecessor, the ER4SR channels are matched to within an industry-leading 1dB across all frequencies from 100Hz to 10kHz. The new ER4SR incorporates sleek, anodized and laser-etched aluminum bodies and braided, reinforced 5 ft. detachable cables. The ER4SR is a must have for discerning engineers, audiophiles, and consumers wanting the most accurate in-ear monitor available. Included with every pair of ER4SR earphones is an industry-exclusive channel matching compliance graph signed by the Etymotic engineer who precision matched and custom tuned the balanced-armature drivers. Every pair of ER4SR earphones is assembled and tuned in the United States.Transducers : High performance, balanced armature micro-drivers


Product information

Color:Black

Technical Specification

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Customer Questions & Answers

Customer reviews

4.4 out of 5 stars
4.4 out of 5
66 customer ratings
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Reviewed in the United States on February 11, 2019
Color: BlackVerified Purchase
6 people found this helpful
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Reviewed in the United States on October 21, 2018
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Reviewed in the United States on October 2, 2016
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Reviewed in the United States on June 4, 2017
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Reviewed in the United States on January 23, 2019
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Top international reviews

Han
5.0 out of 5 stars Wonderful pairs
Reviewed in the United Kingdom on December 28, 2019
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Sakkai soi
5.0 out of 5 stars The king for £300
Reviewed in the United Kingdom on January 24, 2020
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Carel F. Cronje
5.0 out of 5 stars The one by which all should be judged.
Reviewed in the United Kingdom on December 1, 2018
Color: BlackVerified Purchase
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Raul Medina
5.0 out of 5 stars Referencia
Reviewed in Mexico on April 5, 2020
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Rafaelo F Porter
5.0 out of 5 stars Uncoloured and accurate sound reproduction. Awesome product
Reviewed in Australia on November 3, 2019
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Derek
5.0 out of 5 stars Great headphones and feel very comfortable in my ears
Reviewed in Canada on January 30, 2018
Color: BlackVerified Purchase
One person found this helpful
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Eric Weisner
5.0 out of 5 stars True and balanced IEMs
Reviewed in Canada on October 17, 2019
Color: BlackVerified Purchase
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Cliente de Amazon
1.0 out of 5 stars Precio alto para la calidad del sonido-
Reviewed in Mexico on March 5, 2020
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Mr. D. W. Nyman
5.0 out of 5 stars Studio-quality in-ear headphones
Reviewed in the United Kingdom on October 22, 2016
Color: BlackVerified Purchase
2 people found this helpful
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Amazon カスタマー
5.0 out of 5 stars 素晴らしい
Reviewed in Japan on January 5, 2018
Color: BlackVerified Purchase
7 people found this helpful
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キチガイ中卒カスタマー
1.0 out of 5 stars やっぱマケプレは駄目だな
Reviewed in Japan on May 4, 2020
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mark2410
5.0 out of 5 stars Etymotic ER-4SR Studio Reference Earphone Quick Review by mark2410
Reviewed in the United Kingdom on November 10, 2016
Color: BlackVerified Purchase
4 people found this helpful
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膝ガクガク
5.0 out of 5 stars バランスの良い音
Reviewed in Japan on July 31, 2019
Color: BlackVerified Purchase
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