Audio Technica - ATH-A900
ATH-A900 Closed back dynamic with huge 53mm neodymium magnet drivers 5-40 000Hz 2 000mW max input.
AT's closed-back dynamic headphones deliver audiophile-quality acoustic performance with a full rich balanced bass.
Features proprietary large-aperture 53mm drivers with neodymium magnet systems and CCAW voice coils A Series are equipped with Audio Technica's innovative self-adjusting wing support mechanism for comfortable extended listening.