The Ultrasone Signature Master is the top of the range model from Ultrasone's Signature series, specially designed to meet the needs of sound and mastering engineers. Compared to the Signature Natural Its titanium-coated Mylar diaphragm is very light and therefore extremely vibrant, so that in combination with the powerful neodymium magnet, a fast and accurate transient response at the same time tidy frequency response. Due to its outstanding sound characteristics, the Signature Master is also recommended for the demanding audiophile music lover!