MIDI keyboard controllers in 3, 4 or 5 octave versions with full-size semi-weighted keys and touch sensitivity for excellent playability and a host of control features for operating a computer-based recording suite. Power and data connection is via USB with MIDI out also available via 5-pin DIN. In addition to the keyboard, each model has pitch and modulation wheels, a track pad for operating on-screen editors, and a bank of 9 assignable parameter sliders. Left of the keyboard is a backlit display with a rotary encoder to navigate the onboard settings menu, which also has a set of transport keys for quick access to recording functions. NTK-49 and NTK-61 models add a bank of 8 assignable rotary parameter controls, whilst the flagship NTK-61 also has assignable trigger pads on the top panel. Overall, the NTK-series are more than just playable MIDI keyboards, offering a feature set that puts these controllers at the heart of your digital recording setup.Power supply[tab]USB 5Vdc[br]Connections[tab]USB-B (data + power), 6.3mm jack (pedal input), 5-pin DIN (MIDI)Number of keys[tab]49[br]Controls[tab]Transport buttons, 9 sliders, 8 rotary controls[br]Dimensions[tab]909 x 210 x 74mm[br]Weight[tab]4.593kg