The sound is so good?, I've abandoned my crossover and bi-amp system, because honestly I think I no longer need one, those speakers are never going to sound better than they do with this desk, plus a little TLC with the graphic equaliser. For good measure, I really reccomend you run your MP3 player through one of channels with the little red and white RCA connectors?, with a little extra bass, a little less mid, and a little extra top, trust me!. The sound is so good, I'm not bothering with a bi-amp and crossover, theres no point, the sound is un-beatable as is, this has saved me around 4U extra rack space, 30 kilos extra weight to carry, and roughly £1000, thats roughly 1300 in Euros, super fast to set up and pack away.
Also I feel I should mention, a clincher for me buying this desk, is that it has two power channels built in?. Team this up with a Thomann T.Amp TSA 4-700?, and you have the full 6 channels at 500 Watts each, a pub band needs, at amazing quality, and minimum hassle. 6 channels at 500 watts a piece, but with only a desk and 2U of rack units, weighing in at about 35 kilo inncluding the flight case.
I totally reccomend buying this desk, its doing me proud so far.