The KTXPro1 headphones from Koss provide high-quality audio in a vintage design. First introduced in the 1970s, the KTXPro1 are lightweight, portable headphones with in-line volume control and open, hear-through sound. Koss KTXPro1s meet the stringent demands of broadcast and recording professionals who require reliable equipment and superior performance. Whether you’re a sound professional or an audiophile, KTXPro1s offer a titanium layered diaphragm for accurate sound reproduction, accurate reproduction and sound intensity, and the excitement of a live performance with every recording. Connecting with your music has never sounded so good.