Price: $5300


Diego said: All of this functionality comes in a package that delivers on Moon’s promise of superlative sound and build quality, and is warranted for ten years -- exceptionally long in high-end audio. Printed on the 390’s carton is a promise of “The Performance of a Lifetime,” and I can’t disagree.

Read the SoundStage! Hi-Fi review.

The gist: This thing does way more than a traditional preamp and sounds good while doing it.