I compared this to QLXD -version and decided to keep this one purely because of it's sound. Compared to QLXD sound is different. QLXD is a bit more rounder and softer sounding system, some might say even "bigger" sounding. SLXD still met my needs better than QLXD so i kept that one.
Thomann is just brilliant place to buy. Many thanks to team Finland, great customer service for around 15 years.