While the words portable and affordable describe the K-Series USB-MIDI Studio Controllers, they by no means define them. Each model features solid, full-size keys, and a selection of four velocity curves including a fixed level – great for mimicking organs and early mono synths) that tailor the keyboard response to match any performer. Available in 25, 49 and two different 61 key versions, their octave shift keys provide access to the full range of notes, and the key transpose function lets you reach them comfortably – or instantly match the range of another performer