Frequency Response : 15-25,000 Hz
Impedance : 60 ohms
Sensitivity : 101 dB SPL/1mW
Cord : Straight, Dual Entry, 4ft
Rp 890.000–Rp 990.000
The acclaimed Koss Porta Pro has set performance and comfort standards for personal listening worldwide. Designed for those with refined musical taste, the Porta Pro continues to be one of the most popular headphones around the world.