Still getting used to it but a few gigs down now. There's the immediate comfort feeling that you know what you are getting and you are definitely getting the ABM sound, but it's clearer, tighter and with more definition at higher volumes. Is it louder? Well, I never turned my EVO IV to max so I don't know. I guess it must be a little. The fan is super quiet and kicks in only when needed, and the DI is superb quality apparently according to the sound guy.  The controls are reassuringly Ashdown an