Mainly a matter of nomenclature. Most anything can play a MQA file as it is backwards compatible. However, only an MQA enabled endpoint or DAC can decode the file completely. So, this said, an Ultra DAC, 808v6, 818v3, 218 or other enabled DAC can fully decode the MQA their analog outputs. The 818v3, 808v6, and 218 can decode the MQA file and send it via their speakerlink outputs to SE speakers. Even without full MQA decoding, the folks who are simply able to play the file with their current hardware still get an extremely good quality recording and comparatively smaller file size. I hope this clarifies things somewhat.

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#1 Trinnov Altitude 32-8-16, 271, 8000XE, 7200SEHC, 7200.2, Seaton F18, JL Fathom F113, Revel w990's, Kef R7, ATI 528 Amp, JVC RS4100K, SI screen. Roon Nucleus+, Eno AG, Eno M link, 218.
#2 Mark Levinson No5105, Ayre VX8 and CX8, Vandersteen Treo CT, Preamp varies.
#3 Meridian Ellipse