I am running 2 Emotiva XPS-1 phono preamps with my AT440MLa and they are awesome. There is no adjustment on the MM side, but it is not required. Tremendous sound stage, extended high frequencies, fantastic midrange, and a bass line that I've never really heard that good before. For $150, you would be hard pressed to find anything under $500 that is better. I also own the iPhono from iFi, and it is not as involving.........