Neumann NDH 20 Headphones Closed System, Silver, Circumaural, Foldable, 6.3/3.5mm AdaptorThe Neumann NDH 20 is a closed back headphone combining excellent isolation with the carefully balanced sound image and outstanding resolution youd expect from a Neumann product. The NDH 20 is thus ideally suited to monitoring and mixing tasks, even in loud and noisy environments. Circumaural memory foam earpads offer high long term comfort. Features: Studio quality sound with outstanding resolution High sound isolation in loud environments Excellent