Detail 01
49 semi-weighted, full-size keys
Provides a two-handed keyboard layout with semi-weighted action.

Independent shopping perspective
Launchkey 49 MK4 is a white 49-key MIDI keyboard controller with semi-weighted, full-size keys and hands-on DAW control. Its 16 velocity-sensitive pads support polyphonic aftertouch, while nine faders, eight endless encoders, transport controls, and an OLED display keep key functions on the hardware. Scale, Chord, Chord Map, Chord Detector, and editable arpeggiator tools support writing directly from the keyboard. USB-C bus power, 5-pin MIDI out, four Custom Modes, and Split or Layer operation make it suitable for computer-based and hybrid setups.


Strong match
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.

Detail 01
Provides a two-handed keyboard layout with semi-weighted action.
Detail 02
The pads respond to velocity and polyphonic aftertouch.
Detail 03
Adds physical control for mapped DAW and MIDI parameters.
Detail 04
Lets the key range operate as two separate or overlapping instruments.
Detail 05
The controller receives power through its USB connection.
Detail 06
Provides a standard 5-pin MIDI output connection.
Final check

Product questions
Straight answers to the questions shoppers most often ask about this product.
Yes. Launchkey 49 MK4 has nine faders and nine fader buttons.
Yes. Split and Layer modes support two independent or overlapping instruments across the 49-key layout.
It includes Scale, Fixed Chord, User Chord, Chord Map, Chord Detector, and Arpeggiator functions.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.