This an amazing high end digital hybrid integrated amplifier in mint condition with the original box,packaging,manual and remote control. It has everything you need except for a headphone amplifier in one extremely well made box. The entire casing is made of heavy gauge precision cut aluminium panels to eliminate any electromagnetic interference or radio frequency interference. The AI-10 amplifier produces a very rich detailed sound with incredible definition and clarity in the treble, mid-range and bass without any harshness. It combines digital and mosfet technology this makes it one of the very best integrated amplifier up to 5000.00 pounds. The DACs built in are very high quality and versitile, they can be switched between  18, 20, 24 bit, so there is no need to buy a separate DAC. There is also a very precise master clock built in which eliminates any digital noise when you connect a CD player using the optical or coaxial digital inputs.