Neumann's first headphones are the $499 NDH 20 for pro studio use - The Verge
Neumann NDH 20
Studio Headphone NDH 20 Black Edition
Neumann NDH 20 Closed Back Monitoring Professional Studio Headphones Gaming, Mixing, Mastering, Video or Audio Production, Performing, 3M straight cable w 1'8” stereo connector and 1/4” adaptor : Amazon.co.uk: Musical Instruments &