Casio Celviano AP220 Digital Piano or Casio Celviano AP-420 Digital Piano? May 15, 2022 by Ask Which one is better? I concentrate more on the touch and sound. ✅ Answers ? Best Answer I believe they are identical except that the AP-220 has 2X 8Watt amplifiers, and the AP-420 has 2X 20 Watt amplifiers. The choice is really up to you.
