Audiophilepure

http://www.audioreview.com/reviews/marantz-ma-9s2-reference-series-power-amplifiers-review?referrer=plsRelatedArticles&pos=2

“The bass is powerful, deep, and highly resolving, while sounding neither weak and thin nor overdone and fat or slow. Immediately after installation, there was a feeling that the bass was bettered by the Pass X250.5. Further investigation showed that the while the Pass amp’s bass was indeed just a bit louder, the quality of the MA-9S2’s bass easily surpassed ”