I bought these speakers back in July of 2021. All was well until about 6 months in when one of them - the DSP module failed. I had to send it back to Thomann for repair and the whole process of sending it back and receiving it back took about a month. Then not even two weeks later my other speaker failed with exactly the same problem. Currently as I write this, it is on the way back to me and should be delivered within the week.
It is possible I received a faulty batch as the serial numbers of both speakers are less than 60 units apart, so if made in batches of 100 my batch was totally made with defected DSP. However because of this, I can't exactly recommend HEDD to anyone.
I will revisit this review in a year's time as I need to see if the repairs actually did anything.
Update: about half a year after receiving both monitors back from repair, one of them stopped working again - same exact issue as before and it will be a matter of time before the other one stops working. Fool me once, okay, but fool me twice... And this is all within a span of just over 1 year of usage, cheaper made in china monitors outlast this with no issues.
As of this update, I do not recommend these speakers to anyone.