It's a single-driver, no-port monitor. It's not great at the lows and highs, but it excels at revealing mids, which is what you really need to get right if your mix is gonna translate on different systems well. I'm thinking I'll play back and forth between my KRKs and the Avantone, with small excursions to my iPod and car just to see. Am I obsessing? Nah.