You can find proper sound system culture in the states, though not much is happening since COVID. Tsunami Bass has an enormous PA and Reconstrvct hopefully will be back one day. Analog in Brooklyn did have a whopping home built system but it was sold off and the club is under new management these days.
Here's a glimpse into what this sort of stuff is like at a show: https://www.youtube.com/watch?v=L8037wYWZkU. That's the Dub Livity system.
The DJ cuts (low pass) out the bass line, teasing the crowd, until the 2:05 mark, as the MC toasts. The bass shakes everything – you can feel it in your bones. It's visceral. You can see why it was, and is, and continues to be a spiritual thing for many people.