Marantz Model 40nMarantz has reimagined the integrated amplifier for the digital age while preserving a luxurious analog feel and sound. Artisinal Design 2. 2 Channels 70 Watts Per Channel Custom HDAM 1 HDMI Input plus ARC 5 Year Warranty As far as actual amplification is concerned, the Marantz Model 40n uses a Class A B analog design with a total output of 70 watts per channel. Internally, all manner of things have been done to optimise signal flow and reduce