Watch below to learn how to maximize your Koss Porta Pro® Wireless Bluetooth® Headphones battery health.
How to Maximize Your Koss Porta Pro Wireless Battery Health
Blog posts
Introducing: KPH40/Retro
KPH40/Retro Rediscover the Golden Age of Sound KPH40/Retro delivers a timeless audio experience rooted in over 65 years of sound innovation and design only Koss can deliver. Enjoy incredibly spa... more
Koss Creator Program: How to apply to review Koss Headphones
Are you a content creator, YouTuber, audiophile, or influencer interested in reviewing Koss products? We’d love to connect. Visit koss.com/reviews or apply by emailing reviews@koss.com with your na... more
Press Release: 03/16/2026
For Immediate Release Contact: acquisitions@koss.com www.kosscorporation.com Koss Corporation Drives Expansion Initiative with New Hire (Milwaukee, Wisconsin) March 16, 2026 - Koss Corporation (NA... more