Yamaha DGX-670B, 88-Key Weighted Digital vs Roland FP-30X | Slim & Stylish

Design and build quality

The Yamaha DGX-670B and Roland FP-30X both prioritize portability without sacrificing the feel of a traditional instrument. The Yamaha DGX-670B features a design centered around its 88-key weighted keyboard, intended to replicate the acoustic piano experience. It includes essential accessories such as a music rest, sustain foot switch, and power adapter, ensuring users can begin playing immediately. The Roland FP-30X is described as slim and stylish, building on entry-level designs with a focus on modern aesthetics. Both units are physical keyboards designed for home use or portable performance, though specific dimensions beyond the key count are not detailed in the provided data. Build quality for both brands is generally regarded as sturdy within the digital piano category.

Sound Engine and Tone

Sound generation is a critical differentiator between these two models. The Yamaha DGX-670B utilizes CFX Stereo Sampling, which faithfully reproduces the sound of Yamaha's flagship CFX Full Concert Grand. This includes natural resonance and rich, full tones derived from the internal mechanics of the acoustic source. In contrast, the Roland FP-30X employs the SuperNATURAL Piano sound engine. This engine is designed to provide rich expression ranging from pianissimo to fortissimo. While the Yamaha focuses on sampling a specific concert grand, the Roland engine emphasizes dynamic expression. Both approaches aim to deliver authentic acoustic piano tones, though the underlying technology differs.

Keyboard Action and Performance

Both instruments feature 88-key weighted actions, which are essential for proper technique development. The Yamaha DGX-670B specifies that its weighted keyboard action is heavier in the low keys and lighter in the high keys. This graded hammer simulation mimics the mechanical leverage of an acoustic piano. The Roland FP-30X utilizes the PHA-4 Standard keyboard, which is designed to offer authentic acoustic-style piano touch. While both provide weighted keys suitable for practice or playing for friends and family, the Yamaha explicitly notes the graded weight distribution. The Roland PHA-4 is known for its texture and escapement simulation, providing a tactile response conducive to serious practice.

Versatility and Accompaniment

The Yamaha DGX-670B stands out significantly in terms of versatility. It features 630 instrument Voices, including pianos, organs, strings, and synthesized sounds. Furthermore, it includes 263 Automatic Accompaniment Styles covering genres like rock, R&B, and dance. These styles create the feeling of playing in a live band session. The Yamaha also features Adapted Style accompaniment that automatically adjusts to playing intensity by shifting between Main Style Variations based on velocity and note count. The Roland FP-30X includes a wide variety of onboard sounds for every musical genre, including electric pianos, organs, strings, and synthesizers, but does not specify a count or accompaniment styles in the provided data. For players seeking arranger features, the Yamaha offers a clear advantage.

Power and Connectivity

Connectivity options vary between the two models. The Roland FP-30X includes Bluetooth audio/MIDI support for interfacing with mobile devices, allowing for wireless audio streaming and MIDI data transfer. It is noted that Bluetooth headphones are not supported. The Roland also features a dedicated setting for optimizing sound when placed on a desktop. The Yamaha DGX-670B data does not specify Bluetooth capabilities or wireless connectivity options. Both units require power adapters for operation, as indicated by the inclusion of a power adapter with the Yamaha. Neither product mentions battery operation, suggesting they are intended for use near power outlets.

Software and ecosystem

Integration with mobile devices is handled differently by each manufacturer. Roland's Piano Partner 2 App lets users conveniently select sounds, set the metronome, and manage settings from a smartphone or tablet. This adds a layer of convenience for controlling the instrument remotely. The Yamaha DGX-670B data does not specify a companion app, though the variety of onboard controls suggests extensive manual adjustability. The presence of the Piano Partner 2 App gives the Roland FP-30X an edge in terms of modern software ecosystem integration, allowing for easier management of instrument parameters without navigating onboard menus.

Price and value

Pricing is a significant factor for many buyers. The Roland FP-30X is listed at $699.99, while the Yamaha DGX-670B is priced at $749.99. The Roland model positions itself as balancing affordability with superior performance, described as the sweet spot of Roland's FP-X series. It builds on the entry-level FP-10 with an enhanced sound engine and increased polyphony. The Yamaha commands a higher price, which correlates with its extensive voice library and accompaniment styles. For buyers focused strictly on piano performance per dollar, the Roland offers a lower entry point. For those needing arranger features, the Yamaha's higher cost may be justified by the additional functionality.

Which one should you buy?

Choosing between the Yamaha DGX-670B and the Roland FP-30X depends on your primary use case. If you require a versatile instrument capable of backing a full performance with automatic styles and a vast array of sounds, the Yamaha DGX-670B is the superior choice. Its 630 voices and 263 styles offer creative possibilities beyond standard piano play. However, if your focus is on pure piano touch, modern connectivity, and value, the Roland FP-30X is the better option. With Bluetooth audio support, a powerful 22-watt speaker system, and a lower price tag, it serves well as a practice instrument and home piano. Both models offer weighted 88-key actions suitable for developing proper technique.