- What type of keyboard (piano synth ...)? How many octaves?
- What type controllers (pitch, modulation, sustain ...)?
- What connection (Audio, MIDI, pedals ...)?
- How many sounds, effects? What styles? Are they ditables?
- Via a Mac utility / PC?
- What polyphony ...?

USE

- Is Gnrale setup simple?
- The edition of sounds and effects is it easy?
- Is the manual is clear and sufficient? ...?

SONORITS

- The sounds they agree your style of music?
- Are they GPs?
- Are the effects effective and ADAPTS?
- The expression is it good? (Raction vlocit the aftertouch)?
- What are you sonorits prfrez, you dtestez ...?

NOTICE GLOBAL

- How long have you use it?
- What is the particular feature you like best and least?
- Have you tried many other models before acqurir?
- How do you report qualitprix?
- With the exprience, you do again this choice ...?