Koss QZ900 Noise Cancelling Headphones
Model: QZ900
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Cord length | 4.0' (1.22 m) |
Frequency response | 20-20,000 Hz |
Sensitivity | 100 dB SPL |
Battery | 1x AAA |
Battery life | ~ 50 hours of active noise cancellation |
Type | Full size headphones |
Impedance | 32 ohms |
Cord type | Straight, single entry |
The QZ900 do well as everyday casual headphones. They lack a little isolation for loud environments but perform decently well under other test cases. Sadly their sound quality is not the best.
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Lightweight and comfortable., Great seal, leaks very little sound.
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Poor in-line control options., All plastic build, feels cheap., Bass-heavy audio reproduction.
Excellent product and does everything I want. . . . . . . . . . . . . .
- Active Noise Cancellation
- Works With Or Without Noise Cancellation
- In-Line Volume Control
- Fold Flat For Storage/Travel
- Can Be Used To Block Out External Noise
- Koss QZ900 Noise Cancelling Headphones
- Carrying Case
- Limited Lifetime Warranty