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Utility Bluetooth® AdapterThe Koss Utility Series Bluetooth Adapter brings wireless freedom to your KPH40 Utility, Porta Pro Utility and KEB90 Utility headphones. Take calls, control your music, and stay connected on the go with a built in microphone and onboard controls along with 18+ hour battery life with USB C charging. A low profile, integrated metal attachment clip keeps the adapter securely in place for a truly hands free, tangle free listening experience. Learn More

With its iconic design

Introducing the next generation of Porta Pro®

Meticulously crafted from premium materials including stainless steel

The Koss A/550 Open-Back Headphone represents the pinnacle of acoustic engineering and design

closed-style high fidelity headphones

5mm Utility cord or the additional USB-C Utility cord or Utility Bluetooth Adapter

Each system holds 10 standard 12" vinyl albums giving you easy access to your entire collection

000 Hz range

Whether walking

Delivers in eco-friendly packaging

The Koss GMR-545-AIR USB Open-Back Gaming Headphones are specifically designed and engineered to create a realistic environment for expansive gaming experiences

The Koss BT232i Wireless Bluetooth® FitClips feature a unique SportClip® design

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