Asparion D400F, Extension for DAW Controller, Extension for D400T (article no. #458510#) - cannot be used independently!, Universally applicable user interface for all common recording programs, 8 Touch-sensitive 100 mm ALPS motor faders, High-resolution 12-bit grid with 4000 levels per fader, Three LED buttons per channel for Mute, Solo, Record Arm, Channel Select and more, Up to 8 units can be combined with a D400T for 64 channels, Extendable with D400S OLED display (article no. #458512#, not included), Supported protocols: Mackie Control, HUI, MIDI, Supported operating systems: Windows Vista or later, Linux, Mac OS X., Solid metal housing, Dimensions: 238 x 238 x 33 mm, Power adapter and USB cable included