We haven't had a chance to fully test this product yet, but we've assembled this helpful overview of relevant information on it.

The Koss PRO4AAAT over-the-ear headphones model closed vinyl ear cushions, 2 mm Mylar diaphragms, and noise-isolating functionality. Additional features include a 10 – 25,000 Hz frequency response, 98 dB/mW sensitivity, and 250 ohms impedance.

Features List:

  • Circumaural design
  • Closed vinyl ear cushions
  • 2 mm Mylar diaphragms
  • Noise-isolating functionality
  • 10 – 25,000 Hz frequency response
  • 98 dB/mW sensitivity
  • 250 ohms impedance

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

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