P9
(Koss)
A Portable headphone is a headphone that is used on-the-go. Portable headphones tend to be smaller, more lightweight, and may have features that lend themselves to listening on-the-go, like carrying cases or collapsible headbands.
Features:
- Frequency Response: 40-20,000 Hz
- Volume control feature for convenient sound adjustment
- Behind-the-head design for maximum comfort during extended wearing periods
- Straight, single entry 4 foot cord
Specifications
- Frequency Response: 40-20,000 Hz
- Impedance: 32 ohms
- Weight: 0.7 oz
- Sensitivity: 102 dB SPL/1mW
- Distortion: < 1%
- Cord: Straight, Single Entry, 4ft
- Plug: 3.5 mm
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