High Quality Worlde 25 Portable Velocity-sensitive Keyboard Mini Durable 25-key Usb Midi Controller - Piano - AliExpress
Modified Velocity Sensing Keyboard - YouTube
Nektar Impact LX25 Midi Controller
M-Audio Oxygen 25 IV - 25-Key USB MIDI Keyboard Controller Featuring Velocity-Sensitive Keys, 8 Pads and 8 Knobs, Plus ProTools | First, Ableton Live Lite and 3 Premium Virtual Instruments: Amazon.co.uk: Musical
Keyboard expression - Wikipedia
Alesis V25 MKII – USB MIDI Keyboard Controller with 25 Velocity Sensitive Keys, 8 Full Level Pads, Arpeggiator, Pitch/Mod Wheel, Note Repeat and Software Suite : Amazon.co.uk: Musical Instruments & DJ