I had an in-house demo of the Ayre MX-R monoblocks driving a pair of Revel Salon 2 and I was surprised that I preferred the 450MCX. The Ayre was more refined in the mids and highs but the 450 MCX had much better bass and had a fuller sound.
Do the EVO amps have better mids and highs than the MCX?
Do the EVO amps have better mids and highs than the MCX?