Very nice... I have the 8 stock monsoon speakers with the 2 W3's powered by an MA-Audio 1200 watt amp. (Tuned waaay down LoL) I couldn't see rewiring the entire sound system to use another amp or speakers when these are crystal clear. I could really benefit from a new head unit though. If I do that I will probably rewire new speakers (Since the monsoon's are amped, and then individually amped) with my phoenix gold amp. (One of the amazing, slightly older, 4 channel, 300 watt amp. I love it...