Koss Pro4AAA Titanium follow a longstanding tradition of excellence while simultaneously raising the bar for headphones. These professional headphones are designed specifically for broadcast and recording professionals who enjoy lasting comfort coupled with high-end quality. The Pro4AAAT helps isolate noise while producing great sound bass, ultimate treble clarity and superior sound intensity. 

Koss Pro4AAATs feature closed, vinyl Pneumalite ear cushions with a favorably tight seal. This greatly improves noise isolation and maximizes bass. So when you use the Pro4AAAT at home or in studio, you’ll always enjoy exceptional comfort, unparalleled durability and most importantly, a deeper connection to your music through the Sound of Koss.