Koss Porta Pro review

Koss Porta Pro review: a hell of a lot of fun, and at £25 these ultra-portable on-ears exceptionally difficult to beat – read the review at What Hi-Fi?
The Koss Porta Pros are a cheap pair of headphones – and lots of fun

Koss Porta Pro KTC review: Koss Porta Pro KTC - CNET

This high quality portable stereophone set performance and comfort standards for personal listening worldwide. Over the years, much to the delight of devout PortaPro enthusiasts, Koss has preserved the original design and performance that made the PortaPro a portable music icon. Today the PortaPro remains the headphone of choice for the discriminating listener.

Koss: Porta Pro Utility Headphones

Koss Porta Pro Wireless review: Koss butchers Porta Pro Wireless headphone design - CNET

KOSS Porta Pro Review (On-ear Headphone)

Koss Porta Pro Limited Edition review - SoundGuys

Koss Porta Pro KTC Review

Audiostance: When it comes to sound quality, the Koss Porta Pro stands – Koss Stereophones

The Venerable Koss Porta Pro

Review: Koss Porta Pro Wireless - If it ain't broke, don't fix it.

Koss Porta Pro Limited Edition review - SoundGuys

Koss Porta Pro headphone refresh is better than ever for just $60 - CNET

Koss Porta Pro Review - LiquidAudio

Review: Koss Porta Pro Wireless - If it ain't broke, don't fix it.

Koss Porta Pro Review - Reviewed