Koss Porta Pro
From Wikipedia, the free encyclopedia
The Koss Porta Pro is one of the world's best selling headphones. It is designed and produced by the Koss Corporation. Its sound is generally regarded as among the best in its class (less than $50), and it is comfortable to wear. Its design has remained largely unchanged since its release in 1984. The Koss Porta Pro has a lifetime warranty.
[edit] Technical data
Frequency range: 15 - 25,000 Hz
Impedance: 60 ohms
Sensivity: 101 dB SPL/1mW
Distortion: <0.2%
Straight, Dual Entry, 4ft
