The Ayre MX-R Twenty mono amplifier is a revolutionary redesign of Ayre's highest level product. Exploring every detail in the audio path from circuit trace length to part orientation, including processes which many would consider fanatical, pushes this amplifier to the brink of perfection. The dual-transformer linear power supply using AyreLock circuitry effortlessly drives the most demanding loudspeakers. Exclusive EquiLock technology enhances the zero-feedback, fully-balanced circuitry for an unprecedented level of clarity and resolution. Ayre's Double Diamond output stage offers power and control that will change the way you listen to music