http://www.techradar.com/news/homepod-impresses-audiophiles-but-siri-said-to-be-falling-short

If you're interested in the nitty gritty technical aspects of the Apple HomePod, a comprehensive audio analysis posted to Reddit by a self-confessed audiophile reports that the smart speaker performs exceptionally well from an audio point of view. It's a "100 percent audiophile grade speaker" summarizes WinterCharm.

"Apple has managed to extract peak performance from a pint-sized speaker, a feat that deserves a standing ovation," the post continues, which is apparently based on more than 8 hours of testing, and looks at frequency response, distortion, and many other acoustic measurements to reach its conclusions.