If I can add an additional requirement to the question, what are good dumb-TVs/monitors that have acceptable integrated speakers (driven from HDMI) ? (To avoid "smart TVs", I got a nice Sony Bravia TV, from circa 2009, and even that has more "smart" than I'd like (e.g., linked to online services that were discontinued), but it doesn't try to get onto the Internet, it has a great 1080p picture, the remote worked easil…
My advice is just to ignore the speakers and get any soundbar, literally anything will be better than the built-in ones.
I went all-in on Sonos because it's wireless and the sound quality/UX are excellent. Just got their soundbar (the Beam) first and went up from there to a full 5.1 setup.