I don't know about that. I would find it hard to believe that Yamaha advertised the HTR-5560 as a full-bandwidth amp if it wasn't actually one. Either way, we are talking about high end A/V equipment and between the to recievers I doubt you would be able to tell much of a difference.

98' Contour SVT #607 of 6535 05' Mazda 6s Audio/Visual enthusiast because it's one of the many things I went through 4 years of hell for