are now RGB lit as opposed to just blue on the SR, easier to see the colors for the hotcues-Middle ring of jog wheels lights up to better indicate which channel is active(not for the visual scratching pointer)-Added feature to the middle browsing and controls and selections for inputs into the mixer and for channels 1 and 3 and 2 and 4-Booth volume knob in the middle between master out volume and headphones mixing-More inputs and XLR PA system outputs and