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Here is a link from Denon Site . Once you open the site, look at the line titled "Denon A/V Receivers". At the end of that line, there is a yellow star. Click on it and you will get a multipage chart comparing all of the current Denon receivers. It's pretty interesting and should answer any questions you are likely to have about the 4802R. Except, of course, how you are going to pay for it!