I downloaded an app called House Curve from the App Store - given this is a couple of $ its obviously only a toy really but anyone else try it and have any opinions? This is with my Q3020i - obviously this is only a 10 second sample but seems to show (to my totally uneducated eyes) some aspects to those in @amirm review https://www.audiosciencereview.com/...oustics-3020i-bookshelf-speaker-review.14568/