The Yamaha Clavinova CLP-645 in a Dark Walnut finish is a mid-to-high-range model from the 600 series his model is highly regarded as a sweet spot in the series, combining premium features with powerful sound output.
The Dark Walnut finish is a rich, warm, dark woodgrain that offers an elegant, traditional look, often being slightly softer in appearance than the standard Rosewood.
The CLP-645 is a standout model, particularly for players who prioritize the feel of wooden keys and the highly realistic sound achieved through Binaural Sampling (for headphones) and Improved VRM.