Yes, I've heard them on MQA DAC and on a non MQA DAC. Lossy algorithm. Why do we need MQA? Why do we need something which degrades quality? Why do we need another proprietary, closed format? CD, SACD, and FLAC flles are just fine. MQA does not assure quality. It's as good as the sources supplied by record labels. Many of these titles I own multiple versions of, "Brothers In Arms" is a major example of limited to 16/48 digital. "Endless Summer" save for the DCC version, also has some Duophonic sources by the way. MQA benefits MQA, Ltd's pocketbook. Otherwise, it benefits nobody. XRCD at it's best was and is a good format, and several of those titles are arguably the best digital available.