Koss JR900

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

Koss’ JR900 wireless circumaural headphones employ cushioned leatherette earpads, dual-volume control, and 5 channel selectivity. Additional features include a 20 – 20,000 Hz frequency response, user adjustable sensitivity, and 10k ohms nominal impedance.

Features List:

  • Circumaural design
  • Cushioned leatherette earpads
  • Dual-volume control
  • 5 channel selectivity
  • 20 – 20,000 Hz frequency response
  • User adjustable sensitivity
  • 10k ohms nominal impedance

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