Presonus Atom SQ, Hybrid MIDI keyboard / pad performance and production controller, Flexible controller for production and performance, 32 Touch- and pressure-sensitive RGB pads, Assignable multifunctional touch strip, 8 Configurable endless encoders, Deep integration with Studio One's pattern editor, Ableton Live integration enables session navigation, transport control, clip start / stop, crossfader control and much more, Arpeggiator, USB bus powered, Dimensions (W x D x H): 361 x 171 x 25 mm, Weight: 0.9kg