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Koss UR55

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  1. User ratingsUser ratingsratings of product added by Productz users
  2. Expert ratingsExpert ratingsexperts ratings from editorial reviews
  3. Consumer ratingsConsumer ratingsratings from the biggest online stores worldwide
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User ratings:
34
4.2 out of 5
34 user ratings
5 stars
47 %
4 stars
29 %
3 stars
17 %
2 stars
5 %
1 stars
0 %
Editorial reviews:
2
  1. See more
2 editorial reviews
The Koss UR55 is a comfortable, reasonably-well built mid-level headphone. The sound is forward and detailed, offering good overall balance and surprisingly decent instrument separation.Read more
In this article we review the Koss PortaPro. Find out how we feel about the PortaPro, now on Headfonia - The Headphone Enthusiast's WebsiteRead more
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Pros

  • Bass depth is decent and a moderate mid-bass emphasis
  • UR55 is quick and punchy
  • comfortable

Cons

  • lags behind the FA-004 in overall smoothness
  • flat-folding cups tend to creak quite a bit at the hinges
  • provides slower attack/decay times and a softer

Key specs

  • 36 Ω
  • 18, 22000 Hz
  • Open
  • Stereo
  • Over-Ear
  • Wired

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Koss UR55 - Pros & Cons

Koss UR55

Pros

  • Bass depth is decent and a moderate mid-bass emphasis
  • UR55 is quick and punchy
  • comfortable
  • reasonably-well built mid-level headphone
  • nicely layered and pleasant
  • good overall balance and surprisingly decent instrument separation
  • Midrange detail and texture are surprisingly good
  • very forward mids
  • treble and a good sub-bass
  • shines light on the awesome past
  • pretty reliable so far

Cons

  • lags behind the FA-004 in overall smoothness
  • flat-folding cups tend to creak quite a bit at the hinges
  • provides slower attack/decay times and a softer
  • Koss UR55 and take off the outer mesh
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  • ridiculously inadequate for portable headphones
  • Folding is a bit messy
  • poor attachment/soldering and poor-quality strain reliefs
  • it looks blocky and plasticy and cheap

Koss UR55 - Technical Overview

PoorAverageGoodExcellent
IconImpedance
36 Ω
Best:
Stax SR-L500
Impedance: 145000 Ω
IconWeight
840 g
Best:

Koss UR55 - Full Specifications

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Technical details
Sound outputStereo
StyleOver-Ear
Connectivity technologyWired
Headset (integrated/enclosed microphone)no
Magnet materialNeodymium Iron Boron
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Dimensions
Weight29.63 oz
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Connectivity
Inputs supported3.5mm
Cable length1.2
Type of connector3.5mm
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Design
Colour of productBlack
Acoustic designOpen
Attachment typeHeadband
Body materialMetal
CategoryStudio
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Sound
Impedance36.0 Ω
Frequency range18 - 22000
Diaphragm diameter0.0 in
Driver technologyDynamic
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Power
Battery operatedno

Koss UR55 - Q&A

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Koss UR55 Koss - Editorial Reviews (2)

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