Thank you ! Most people are not aware of this . <| sep |> I have not directly compared the X 32 and M 32 in this regard but I have used both and own an X 32 and I have never noticed any noise floor . I regularly use an X 32 in a nicely designed auditorium and cannot hear any noise when the seats are empty and the PA is on . To add to that , I do a lot of multitrack recordings from the X 32 and I have boosted tracks by 40 db with no hint of noise at all . I remember recording a show where I had all the all the gains turned way down and the master fader at unity and the volume level was fine in the venue but the recordings barely made a blip on the waveform this is not the way I run the board normally at all . I boosted every track in Reaper by 30 DB and the recording is perfectly clean with no hiss at all .