Koss BT540i Bluetooth® Headphones

Featuring state-of-the-art Bluetooth® connectivity with aptX™ codec technology, the Koss BT540i is the most advanced Bluetooth headphone designed and engineered by the wireless headphone pioneer, Koss Corporation.

Key aptX™ Features

Consistent audio quality

Fixed compression ratio ensures consistency for wireless audio

Full spectrum of sound

From 20Hz to 20kHz, aptX audio covers the human hearing range

Interoperability testing program

We operate rigorous testing for all aptX-enabled products, so you can be confident all products will deliver the same audio quality