From plenty of experience breaking in new speakers, 500 hours is not unrealistic, unless a break in disc or other devices are used. Also, not all speakers are a match for all electronics
IMO, they look amazing, and well thought out, probably a bargain at MSRP when compared to other ~30K+++ speakers. It would be interesting to see whether White Camaro gets a pair. If you're not familiar with his channel, he rotates quite a few high dollar speakers and electronics in his dedicated room