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The Koss UR40 circumaural headphones subsume closed leatherette ear cushions, copper voice coils, and a straight 4-foot cable. Additional features include a 15 – 22,000 Hz frequency response, 98 dB/mW sensitivity, and 60 ohms impedance.
- Circumaural design
- Closed leatherette ear cushions
- Copper voice coils
- Straight 4-foot cable
- 15 – 22,000 Hz frequency response
- 98 dB/mW sensitivity
- 60 ohms impedance
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