The Turbosound IQ-series is a great family of speakers. The IQ15 is a very good sounding speaker with extreme power. The built in 15” bass speaker - makes these speakers can be used without any subs like IQ18B etc for most jobs. You just get enough power with 2x IQ15 for most gigs.
The digital Ultranet/P16 (sending outputs over Ethernet cables) implementation is fantastic, when using it together with mixers like XR18/X32 or the Wing. Just set the speaker ID and you are good to go! Also functions like EQ, limiter and the anti-feedback suppression built in the system makes a great advantage.