Klipsch Reference Premiere RP-600M II Walnut Bookshelf Speakers

Plenty of dough to buy good stuff. Is this analog only? No digital? This receiver allows a high pass filter on the mains, so you can get better output from your speakers. https://emotiva.com/products/basx-ta1-stereo-preamp-dac-tuner-with-integrated-amplifier https://starkesound.com/products/beta5 https://www.amazon.com/Klipsch-Reference-RP-600M-II-Cerametallic/dp/B09V5H1CLZ?th=1 https://www.amazon.com/triangle-HiFi-Bookshelf-Speakers-Borea/dp/B084M63VNR https://www.amazon.com/MartinLogan-Motion-Bookshelf-Speaker-Each/dp/B07YTGFGJS https://rslspeakers.com/products/rsl-speedwoofer-10e