looking at xiaomi TV they're going for under 2k at 55inch, are they 'worth the price' , if compared with non mainstream TV brands in the market?

using it mostly for movie/netflix, dont have dedicated canggih audio (just using r1280db edifier), for a extremely small living room that is about 100sqft.

if aiming to get ps5 or hookup pc to tv, is it viable or do i need higher refresh rate?

I jz order 50inch at rm1180 after all the rebate from lazada, 55 I think can get at around 1350 ish

Tldr from review is nt suitable for gaming (input lag on default, nt sure switching to gaming mode will fix it or nt) , sound system so-so

i own 55".
the picture quality is acceptable for that price.
HDR dolby vision works for gaming too.
sound is acceptable. when gaming with dolby, the volume is louder, but not higher quality.

so using external speakers can solve the sound issue right?

might consider getting one soon cos i dont even have a UHD tv.. only 1080p

It might helps.
For picture quality maybe you can go to mi store and look at it first.