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Koss Pro4s vs Koss SP540

    Koss Pro4s Headphones
    Koss Pro4s
      Koss SP540 Headphones
      Koss SP540
      Available colors
      Editiorial reviews
      4
      4 editorial reviews
      My first over-the-ear headphones were made by Koss. That’s going back almost 40 years. The Koss Pro4S headphones hearken back to those headphones for just $149.99. More importantly, these full size, over-the-ear headphones are super-comfortableRead more
      Performance Build Quality Comfort ValueRead more
      We review the $149 Koss Pro4S over-ear headphones, which are designed for use in the studio and still versatile enough for the streets.Read more
      Read editorial reviews
      1
      1 editorial reviews
      Koss SP540 Headphones review: A full-size over-ear headphone designed for ultimate portability. One for those who like their tunes with a bit of bass.Read more
      Read editorial reviews
      User rating
      37
      4.3 out of 5
      37 user ratings
      5 stars
      		48 %
      4 stars
      		29 %
      3 stars
      		21 %
      2 stars
      		0 %
      1 stars
      		0 %
      39
      4.2 out of 5
      39 user ratings
      5 stars
      		41 %
      4 stars
      		35 %
      3 stars
      		20 %
      2 stars
      		2 %
      1 stars
      		0 %

      Full Comparison

      Units:

      Technical details

      Koss Pro4sKoss Pro4s
      Koss SP540Koss SP540
      Sound outputStereoStereo
      StyleOver-EarOver-Ear
      Connectivity technologyWiredWired
      Headset (integrated/enclosed microphone)yesyes

      Design

      Koss Pro4sKoss Pro4s
      Koss SP540Koss SP540
      Colour of product
      • Black
      • Black,Silver
      • Black
      • Black,Silver
      Acoustic designClosedClosed
      Attachment typeHeadbandHeadband
      Body materialAluminum
      • Aluminum
      • Fabric
      • Foam
      • Metal
      CategoryStudioAudiophile
      Foldableyesyes
      Noise isolatingyesyes

      Dimensions

      Koss Pro4sKoss Pro4s
      Koss SP540Koss SP540
      Weight6.38 oz10.19 oz

      Sound

      Koss Pro4sKoss Pro4s
      Koss SP540Koss SP540
      Impedance35.0 Ω35.0 Ω
      Frequency range10 - 2500010 - 25000
      Driver technologyDynamicDynamic

      Connectivity

      Koss Pro4sKoss Pro4s
      Koss SP540Koss SP540
      Inputs supported
      • 3.5mm
      • 6.35mm
      		3.5mm
      Cable length1.41.4
      Type of connector3.5mm3.5mm
      USByesyes
      Detachable cableyesyes

      Features

      Koss Pro4sKoss Pro4s
      Koss SP540Koss SP540
      Carrying caseyesyes

      Pros & Cons

      Pros
          Cons