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Koss’ PRO3AA circumaural headphones confer noise-isolating functionality, leatherette ear cushions, a rubber headband with adjustable sidebars, and an 8-foot straight cable. Additional features include a 15 – 20,000 Hz frequency response, 100 dB/mW sensitivity, and 60 ohms impedance.

Features List:

  • Circumaural design
  • Noise-isolating functionality
  • Leatherette ear cushions
  • Rubber headband with adjustable sidebars
  • 8-foot straight cable
  • 15 – 20,000 Hz frequency response
  • 100 dB/mW sensitivity
  • 60 ohms impedance

For more headphone buying tips, check out our Headphone Buying Guide.

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