Digital piano YAMAHA DGX-670B — 88 weighted keys, 256-note polyphony, 4 speakers, USB, AUX, mic input

The Yamaha DGX-670B is a full-size digital piano with 88 weighted keys and built-in speakers. It combines a weighted action keyboard and onboard sound processing with features such as reverberation, a metronome and a display, providing a complete instrument for practice and performance in a compact cabinet finished in black.

Advantages

The instrument offers 256-note maximum polyphony, onboard amplification with 2 x 6 W output and four speakers for immediate acoustic projection. Connectivity includes AUX in, USB and a 6.3 mm mic input, plus dual headphone outputs and a pedal jack for sustain and expression pedals. Lightweight design for its class (21.4 kg) and a pitch bend wheel expand its performance flexibility.

Suitable for

• Home practice and lessons
• Small live performances and accompaniment
• Studio sketching and MIDI sequencing
• Music education and classroom use

Key specifications

• Keyboard: 88 weighted keys
• Maximum polyphony: 256 notes
• Amplifier output: 2 x 6 W
• Speakers: 4 built-in speakers
• Sound effects: Reverberation
• Built-in display and metronome
• Connectivity: AUX in, USB, 6.3 mm mic input, headphone outputs (2), pedal input jack
• Power consumption (max): 14.5 W
• Dimensions (W × D × H): 1397 × 445 × 151 mm
• Weight: 21.4 kg

How to use

Place the piano on a stable surface or compatible stand and connect power. Use the built-in display and controls to select voices, adjust reverb and set metronome tempo. Connect an external device via AUX in or USB for playback or MIDI control. Plug a microphone into the 6.3 mm input if needed, and connect headphones to either output for private practice. Attach sustain or expression pedals to the pedal input jack as required.

Usage recommendations

For balanced sound at home or in small venues, keep volume at moderate levels to avoid distortion from the internal 2 x 6 W amplifiers; use headphones for quiet practice and connect to external amplification when greater stage volume is needed.