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KOSS QZ-2000
noise reduction stereophone
- Frequency Response: 145-20,000 Hz
- Revolutionary Active Noise Reduction (ANR) stereophone system reduces harmful and annoying low frequency sounds in noisy environments
- Active Noise Reduction >15dB SPL from 40-200 Hz Average of 10dB SPL from 30-1000 Hz
- Includes compact control case and collapsible stereophone for convenient travel and portability
- Adjustable headband design for maximum comfort
- Straight, dual entry 4 foot cord
- Operates on (2) "AA" batteries (included)
- Includes input jack for audio play-through
- Includes 2-prong adapter for in-flight use
Specifications
| Frequency Response |
15-20,000 Hz |
| Cord |
Straight, Dual Entry, 4ft |
| Plug |
custom plug |
| Impedance |
5k ohms |
| Weight |
2.3 oz. |
| Sensitivity |
101 dB SPL/1mW |
| Distortion |
<0.7% |
| Ear cushions |
open |
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