Studio Grade Monitoring – Wherever You Go! Premium quality closed-back studio headphone for monitoring, editing, and mixing. The Black Edition has all the features already available for the ensured the success of the original variant. As closed headphones with excellent insulation, it allows you to work in noisy environments and offers studio-quality monitoring while recording or producing, it doesn't matter where: in streaming or in music and live productions, too home or on the go. Of course, the long-term wearing comfort is also excellent. The NDH 20 is suitable for all applications that require high sound isolation, such as monitoring for musicians and sound engineers in the recording room or in the area of ​​event technology. It is also an excellent choice for analytical listening, without being disturbed by ambient noise, or vice versa, without disturbing the environment through noise emissions from the interfering with headphones. Thanks to its wide transmission range from 5 Hz to 30 kHz, the NDH 20 is extremely useful for Evaluation of the deep bass and the extreme high frequencies.