Stay focused with these PreSonus HD9 headphones. The closed-back acoustic design blocks background noise while keeping audio from bleeding through, and the 45mm neodymium drivers deliver clean playback for easy listening. The lightweight headband and ergonomic ear pads of these PreSonus HD9 headphones provide a comfortable fit wherever you go. | Presonus | | HD9 Over-the-Ear Headphones | Black | Best Buy