The Marantz is a very good amp. But so are the XPA-1s. I think you might hear a mrginal improvement, but nothing that is, to coin a phrase, "jaw-dropping". Your money could be better spent elsewhere...
You must have a verified phone number and physical address in order to post in the Audiogon Forums. Please return to Audiogon.com and complete this step. If you have any questions please contact Support.
