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Yamaha DGX-670 Portable Grand Piano — Concert Sound at Home

The Yamaha DGX-670 portable grand piano brings the flagship CFX concert grand sound to an 88-key instrument designed for the living room, home studio, and small stage. Virtual Resonance Modeling and key-off samples reproduce the sympathetic vibration and tonal decay of an acoustic instrument. A 10.9 cm color display shows sheet music for lessons, while Bluetooth audio lets players practice along with their favorite songs. With 263 accompaniment styles and 630 instrument voices, the DGX-670 doubles as both a serious piano and a full arranger workstation.

What Sets This Instrument Apart

Two features make the DGX-670 stand out in its segment. The Piano Room mode dedicates all processing power to piano realism, with a grand-piano-shaped button that disables accompaniment and unlocks deeper physical modeling of string resonance. Adaptive Style automatically shifts between Main Style Variations based on playing velocity and note density, so the backing band responds dynamically to how the player plays.

Graded Hammer Action — Authentic Piano Touch

The keyboard is the heart of any digital piano, and this model uses Yamaha's Graded Hammer Standard action with matte black keytops. The weighted mechanism is heavier in the bass and lighter in the treble, mirroring an acoustic instrument and supporting proper finger technique from the first lesson.

• Number of Keys: 88 — full concert range for classical repertoire and band performance
• Action Type: Graded Hammer Standard (GHS) — weighted, graded response across the keyboard
• Matte black keytops give fingers a confident grip during long practice sessions

CFX Sound Engine — Concert Grand Realism

The tone generation system draws on samples from Yamaha's flagship CFX Full Concert Grand, with VRM adding sympathetic resonance between strings. 256-note polyphony handles dense arrangements without dropped notes, even when layering dual voices with full accompaniment.

• Piano Sound: Yamaha CFX Stereo Sampling — flagship concert grand source
• Polyphony: 256 notes — headroom for layered voices and busy styles
• VRM, key-off samples, and smooth release add sympathetic resonance and natural decay

Arranger Functions and Connectivity

Beyond piano, this model functions as a full arranger workstation with 263 preset styles covering rock, R&B, dance, and pianist categories. Bluetooth audio, USB MIDI, and a microphone input with vocal effects expand the instrument into a complete entertainment hub for the home.

• Accompaniment Styles: 263 — 215 Pro, 19 Session, 29 Pianist styles
• Bluetooth: Audio streaming — play along with songs from any device
• Recording: 16-track MIDI + 80-minute audio — capture full arrangements
• Microphone input with vocal effects turns the keyboard into a home karaoke and performance rig

Who This Keyboard Is Built For

The DGX-670 is the right choice for adult learners, returning players, and home musicians who want a single instrument covering practice, performance, and entertainment. Beginners benefit from Follow Lights lessons, score display, and graded action that develops proper technique from day one. Returning pianists gain a familiar weighted feel plus Bluetooth streaming and 16-track recording. Hobbyist arrangers get 263 styles, 630 voices, and USB MIDI for notation software and DAWs. Families find the built-in speakers, vocal cancel, and pitch-shift features useful for everyone from kids taking lessons to parents singing along.

Yamaha — Acoustic Piano Heritage in a Digital Body

Yamaha built its reputation as one of the world's leading acoustic piano manufacturers, and the CFX Full Concert Grand remains the company's flagship concert instrument. The DGX-670 brings that heritage into a portable digital format, using CFX Stereo Sampling and Virtual Resonance Modeling to translate the depth of a nine-foot concert grand into a keyboard that fits in a living room. As a manufacturer that builds both acoustic concert grands and arranger workstations, Yamaha delivers piano authenticity alongside the entertainment features modern players expect.