Reference-class open-back studio headphone for editing, mixing, and mastering The NDH 30 is a circumaural, open-back headphone with outstanding detail resolution and high-precision stereo imaging with razor-sharp localization. Its linear soundstage and superior transient response recommend it for the most demanding applications such as mixing and mastering. Features - Outstanding linearity and transient response - High spatial resolution - Sound and mix compatibility with KH-Line speakers - High long-term comfort - Internally balanced, cloth covered cable (detachable) - Foldable for easy transport Technical Data: - Open, circumaural design - 38 mm, 120 Ohms dynamic transducers - Frequency range: 12 - 34,000 Hz - Sound pressure level: 104 dB (1 kHz, 1 Vrms) - Power handling of 1000 mW (peak), 200 mW (cont.) - Adjustable and foldable headband - Detachable, internally balanced cloth covered straight cable - Stereo screw-on 6.3 mm (1/4”) adapter - Replaceable ear pads - Weight: 352 g (without cable) - Neumann article no. 509111