Sorry maybe I'm not explaining myself properly and thanks for replying and trying to sort. I totally understand the difference in low level monitoring and the difference when taking the same sounds on stage, I can craft sounds to suit both no problem at all and have many years behind me with so many different pieces of equipment. The Helix is a dream come true to use and I find it so easy to get great sounds out of PA, amps etc.
To explain another way I've just plugged the helix floor into the CR3 monitors and it sounds just like I want it to sound. It sounds great. Amps sound as they should.
It's not like a guitar coming out of an real amp at volume, but as a recorded guitar coming out of an amp which is miked and coming through your studio monitors.
It's exactly as you you expect and have to adapt to when playing through this type of equipment.
The problem I have, is I bought Helix native to play through Garageband and to practice playing along to music without using the Helix Floor in between gigs and rehearsals.
My only thought is could it be the UX-1 and would I get a better sound out of another IU. My computer DAW experience is only just starting. Or is it something silly in Garageband or on the Mac. The UX1 is set for both in and out and feeds the monitors direct. As I say music sounds great out of Garageband like this but the Helix Native sound really poor and I've proved it can sound great in so many other situations..