The Kawai ES110 is a digital piano that is often considered to be one of the best in its price range. Here are some key features and factors to consider when evaluating the ES110.

1. Sound Quality: The ES110 features Kawai’s Harmonic Imaging sound technology, which accurately reproduces the sound of a traditional piano. The piano has a good dynamic range, and the sound is clear and bright.
2. Key Action: The ES110 uses Kawai’s Responsive Hammer Compact (RHC) action, which is designed to simulate the feel of an acoustic piano. The keys have a good weight and respond well to touch.
3. Polyphony: The ES110 has a maximum polyphony of 192 notes, which is more than enough for most playing situations.
4. Features: The ES110 has a number of useful features, including a built-in metronome, a variety of instrument sounds, and the ability to split the keyboard into two zones.
5. Portability: The ES110 is relatively lightweight (26 lbs) and compact, making it easy to transport and set up.

Overall, the Kawai ES110 is a high-quality best digital piano that offers excellent sound quality and key action at an affordable price point. It’s a great option for students, gigging musicians, or anyone looking for a high-quality best digital keyboard piano that won’t break the bank.