Professional Studio Headphones “Best New Audiophile Headphones” – CNET 2020 Tuned by Roland - a leading manufacturer of musical instruments for over 40 years - to take musicians and producers straight to the sound the M-200 delivers crystalline audio so clear and neutral that picking up on subtle nuances and flaws is as easy as it gets. Studio sound clean & simple. Featuring 50mm drivers with neodymium magnets and CCAW voice coils the M-200 faithfully reproduces frequencies up to 40kHz to create a sound so detailed and accurate that it’s Hi-Res Audio certified by the Japan Audio Society (JAS) (HRA-101-09).