Check the listing for details. Arturia KeyLab Essential 49 Keyboard Controller. Condition: Used. Listed at 130.00 USD. The Arturia KeyLab Essential 49 Keyboard Controller is a must-have for any musician or producer looking for a high-quality MIDI keyboard. With its 49 keys and analog signal path, this keyboard offers a unique sound and feel that is perfect for any style of music. The brand Arturia is known for its high-quality music software and hardware, and this keyboard controller is no exception. Whether you're a professional musician or just starting out, the Arturia KeyLab Essential 49 Keyboard Controller is the perfect tool for creating music. With its sleek design and intuitive interface, you can easily navigate and create music that sounds great. So if you're looking for a high-quality MIDI keyboard that offers a unique sound and feel, look no further than the Arturia KeyLab Essential 49.