The preamplifier/ processor is a Sony. E9000ES, The amplifier is a five channel .N9000ES, and the CD player is a Sony CDP -C60Es.. it also comes with the touchscreen, remote controller model RM_ TP501E. The amplifier rates at 115 watts RMS per channel at eight ohms. It is a very powerful amplifier. It weighs 68 pounds and is working perfectly.. the pre-amplifier is a 5.1 32 bit digital processor . Which has 27 digital sound processing presets.. it does have the various inputs for CD player, DVD player, cassette player, digital audiotape player and of course phono/ turntable. Aside from my does have five optical inputs as well as coax digital inputs.. The CD player is a five disc changer works great. It has coaxial outputs as well as digital optical output. It does play some CD recorded formats as well as regular CDs.. everything works as it should and the system works great musically, even though it’s built for a surround system it has very high-quality Fidelity for music as well.. I can definitely demonstrate everything for you. It comes with the remote as well which the remote alone sells for $200 online.but is included . Cash only sale.. text or email if interested.