On-ear headphones with a lifetime warranty, unchanged since 1984.
Last verified: July 2026 · scored by the Made to Last method
Expected lifespanLifetime
Typical price$50
Cost per year$1.67/yr
WarrantyLifetime warranty
The Koss Porta Pro has a limited lifetime warranty and a design that hasn't changed since 1984 — Koss simply repairs or replaces them, making a $50 pair last forever.