Price Match Guarantee Marantz Cinema 40 9.4-Channel Home Theater Receiver The CINEMA 40 is a full-scale home theater receiver with 9 amplifier channels built in and a large array of inputs and outputs. It can easily be the heart of a great home theater system. To try and uphold their tradition of making gear that sounds natural, Marantz has a program in Japan where they train engineers to be what they call a "Marantz Sound Master". They will learn to identify the type of sound that has made Mara