Porta Pro® is now more versatile than ever with the power of Koss Utility Series. Connect to virtually any device with the all-new Koss Porta Pro® Utility and enjoy the same sound and comfort as the origianl.

Koss Utility Series features three new detachable cords, allowing listeners to connect to virtually any device they own now, or in the future. Included with Porta Pro® Utility is the 3.5mm standard headphone jack Utility Cord.

Need something different?

An available MFi Certified Lightning Utility cord and USB-C Utility cord with a built in 24-bit/96kHz DAC for high-resolution audio are also available separately or can be bundled at a discount with the purchase of any Utility Series Headphone.

No compatibility concerns. No audio compromises. No batteries. That's the power of Koss Utility Series. That's The Sound of Koss.

The future never sounded so good.