There have been advancements in sound technology, computational audio, better designed speakers, Class-D amplifiers which are cheap, efficient and sound really

There have been advancements in sound technology, computational audio, better designed speakers, Class-D amplifiers which are cheap, efficient and sound really good. It switches millions of times a second, cool design! It can power your speakers with a tiny DIY amp that uses a lot less power these days. But yes the hi-fi aeshetic remains mostly the same.