It's noted that Kawai's Grand Feel II action features a long pivot length, similar to acoustic grands, enhancing balance and playability at the top of white keys.

The CA97 includes an acoustic-style soundboard, offering resonant feedback and vibrations similar to an acoustic upright piano, enhancing the playing experience.

The diffusers on the CA701 enhance sound projection, making a noticeable difference in acoustic performance compared to other models without this feature.

Some users report a clicking sound issue with Kawai's key action, which may persist even after repairs or replacements.

The CA97's soundboard-driven resonance is favored by some over Yamaha's CLP-575 speakers, though the latter has superior sound clarity.

The CN201's RH3 action, although artificial-feeling, provides more consistent control and avoids the uneven tonal response seen in GFC and GF3 actions.

The CN301 combines the CN201's improved RH3 action with the advanced speaker setup of the CA701, aiming to deliver balanced performance and sound quality.

Owners appreciate the CA97's heavier key action for its realistic acoustic feel, noting it aids in developing finger strength more effectively.

There's a preference for CA97's ebony-textured black keys for their aesthetic appeal and tactile feel compared to competitor's plastic keys.

Some players find uneven tonal response in the CA49 and CA701, with certain notes sounding noticeably darker or brighter, affecting play consistency.

Users report the CA701's GF3 action as disappearing during play, creating an immersive experience that closely mimics a grand piano feel.

Despite its heftier price tag, the CA701's superior playability and sound quality are noted, though budget constraints may limit potential buyers.