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

Porta Pro® Wireless Bluetooth® Headphones - Koss Stereophones

The Sound of Koss - New Colorway, same classic Porta Pro sound, Great Retro Look Stay Connected - Take calls and control your music with the in-line

Koss Porta Pro Limited Edition Black Gold On-Ear Headphones, in-Line Microphone, Volume Control and Touch Remote Control, Includes Hard Carrying Case

Koss KSC75 Review: The World's Best Not-Headphone – In-Ear Fidelity

Designed for Deep bass performance Comfortable, secure fit with adjustable headband and multi-pivoting ear plates Two adjustable temporal-comfort zone

Koss Porta Pro Black On-Ear Headphones, Retro Style, Collapsible Design, Case Included, Black

Massdrop: Massdrop x Koss Porta Pro X Headphones: Portable Design & Lifetime Warranty for $37.99

In a wireless headphone world, the Koss Porta Pros still rule

The Koss Porta Pro® Communication Headset features a flexible, hands-free microphone and connects to devices through a simple 3.5mm TRRS plug.

Porta Pro® Headset

Koss Porta Pro Wireless Review

Massdrop x Koss Porta Pro X On-Ear Headphones — Collapsible for Maximum Portability

Koss Porta Pro Wireless Bluetooth On-Ear Headphones, in-Line Microphone, Volume Control and Touch Remote, Adjustable Headband with Multi-Pivoting Ear Plates, Black : Electronics

Massdrop Koss Porta Pro X Adjustable On-Ear Headphones, Black – NT Electronics LLC

Massdrop x Koss Porta Pro X Headphones, Open-Back Audiophile

Replace Sponge Foam Headband Cushion Pads Fit for Koss Porta Pro PP Headphones

New Koss Headphones! : r/headphones