he Ultimate Portable Headphone, comfort and convenience combined. 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.

Known for its high-level of comfort, the Porta Pro has adjustable temporal pads to relieve pressure on the ears. Its lightweight, open-air cushions for hear-through sound keep listeners aware of their surroundings while delivering exceptional sound.

The oxygen free copper voice coils and dynamic elements allow the Porta Pro to deliver rich bass and a remarkably wide frequency response. Whether you’re listening at home or on the go, the Koss Porta Pro delivers all the excitement of a live performance.


THE SOUND OF KOSS
Whether you're listening at home or on the go, the Koss Porta Pro delivers all the excitement of a live performance

COLLAPSIBLE DESIGN
The ultimate portable headphones with a collapsible headband design for protective storage

COMFORT ZONE
Adjustable temporal pads relieve pressure on the ears


KEY FEATURES
The ultra portable on-ear headphones
Comfort Zone setting on temporal pad for comfortable secure fit
The ultimate active headphones with a collapsible headband design for protective storage
Dynamic element for extended frequency response
Oxygen-free copper voice coils deliver deep bass and signal clarity
Includes a convenient carrying case for protective storage


SPECIFICATIONS
Frequency response: 15-25000 Hz
Impedance: 60 Ohms
Sensitivity: 101 dB SPL / 1 mW
Plug: 3.5 mm, 6.3 mm adapter
Cable length: 4ft / 1.2m