Digital Piano Shopping Checklist
Keyboard Action
- $\gt 200 \text{mm}$ pivot length
- Triple sensor
- Escapement
Pedal
- Half pedal support (both by the sound engine and MIDI output)
- “Damper fade” (play a lower chord while pressing the damper pedal, then quickly release and press the pedal again)
Sound engine
- String resonance (Hold some lower keys then play a higher note)
- Pedal resonance (Play the same note with and without pedal)
- Key-off effect
- Key action noise
- Damper noise
- Reverb can be turned off
I/O
- Headphone jack
- MIDI (USB and Bluetooth)
- Line out
Useful tool
Midi Message Viewer: https://github.com/Bigstool/midi-message-viewer