One of the speakers in the product I first received didn't play any sound. I did some troubleshooting myself to no avail and then contacted PreSonus's customer support, who were very quick to respond and told me based on my own troubleshooting results that it's most likely a faulty product and I should contact Thomann about it. I then returned it to Thomann, which also went smoothly, and got it replaced with a new pair that doesn't have any problems. It was a bit of a bummer to have to wait an extra ~2 weeks to get a functional product and it doesn't make me super convinced about the overall quality control of these speakers even if the pair I now have seems fine.
The sound is pretty decent, I can clearly hear pretty small details even in complex mixes and with the EQ controls, I can acceptably compensate for my room being a bit heavy in the high frequencies. It's not like it blows me away or anything, but it gets the job done, which is impressive at this price point. The visual design is great to my tastes and the PreSonus customer support was top tier with their quick and actually useful response.