Koss Portapro Headphones
Koss Portapro Headphones

Ultra Portability

An ideal choice for active, on-the-go listeners and audiophiles, the Koss Porta Pro On-Ear Headphones deliver dense sound and true comfort. With a dynamic audio range, an ultra-light and portable construction, and a retro-inspired design, these are an optimal choice for active travelers and audio enthusiasts.

Koss Portapro Headphones
Koss Portapro Headphones

The Test of Time

The Koss Portapro features a collapsible headband and cushy pads designed to give you a secure, custom fit without clamping too much on the ears. Count on the Portapro to produce a rich sound that makes music dynamic and engaging. If listeners need to be aware of surroundings, i.e. on a run, the headphones open air cushions assist in spacial awareness and hear-through sound.

Koss Portapro Headphones


  • Koss
  • Frequency Response: 15-25,000 Hz
  • Impedance: 60 ohms
  • Sensitivity: 101 dB SPL/1mW
  • Cord: Straight, Dual Entry, 4ft


  • Carrying case


All orders will be shipped by Massdrop.

Estimated ship date is Apr 21, 2015 PT.

After the drop ends, payment will be collected. To deliver the best value to the group the request will then be submitted to the vendor up front, making all sales final. Be sure to check the discussion page for updates.