Porta Pro® Utility

The Porta Pro® Utility Series On-Ear Headphone is an all-new way to experience the Sound of Koss®.

Koss, Porta Pro Utility Headphones

Koss on X: No headphone jack? No problem. The all-new Koss Porta Pro Utility features a detachable cable system allowing you to listen through USB-C, Lightning and standard 3.5mm headphone ports. Available

Fat Kid Deals on X: Koss Porta Pro Utility On-Ear Headphones for $24, retail $50! / X

Koss: Porta Pro Utility Headphones

Koss Sent Me Their New Utility Series To Check Out - KPH40, Porta Pro Utility, and KEB90 Thoughts Are All Here! : r/headphones

Koss Porta Pro Classic On-Ear Headphones, Retro Style, 3.5mm Wired Plug, Durable, Black/Silver : Electronics

Design Stories: Porta Pro Utility – Koss Stereophones

Utility Series Lightning Cord Adapter - Koss Stereophones

Koss Utility Lineup - MILDLY ADEQUATE