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 QZ900 over-the-ear headphones by Koss feature active noise-cancelling technology, a 4-foot straight cable, and closed, cushioned leatherette earpads. Additional features include a 20 – 20,000 Hz frequency response, 100 dB/mW sensitivity, and 32 ohms impedance.
Features List:
- Circumaural design
- Active noise-cancelling technology
- 4-foot straight cable
- Cushioned leatherette earpads
- 20 – 20,000 Hz frequency response
- 100 dB/mW sensitivity
- 32 ohms impedance
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