Yamaha DGX-670 88-Key Portable Digital Grand Piano with Speakers
| Keyboard | 88 Full-Size Keys with Graded/Scaled-Hammer Action |
| Touch Sensitivity | 5 Levels of Sensitivity |
| Number of Sounds, Kits, or Samples | 601x Sound Preset 29x Drum Kit |
| Maximum Polyphony | 256 Voice |
| Built-In Effects | Chorus, Compressor, EQ, Reverb |
| Performance Functions | Dual Zone, Transpose, Tuning Adjustment |
| Built-In Speaker | Yes |
| Audio I/O | 1/4" / 1/8" (3.5 mm) / 1/4" Headphone |
| Pedal Support | 1x 1/4" TS Footswitch 1x Mini-DIN 6-Pin Multi-Pedal |
| USB I/O | 1x USB-B (Host Connection, MIDI) 1x USB-A (External Memory) |
| Included Accessories | Music Rest, Sustain Pedal |
| Item Type | Digital Piano (Keyboard Only) |
| Keyboard | 88 Full-Size Keys with Graded/Scaled-Hammer Action |
| Touch Sensitivity | 5 Levels of Sensitivity |
| Aftertouch | No Aftertouch Support |
| Expression Controls | No |
| Display | 4.3" / 10.9 cm Color LCD |
| Number of Sounds, Kits, or Samples | 601x Sound Preset 29x Drum Kit |
| Number of Song Presets | 100 |
| Maximum Polyphony | 256 Voice |
| Internal Memory | 20 MB |
| Built-In Effects | Chorus, Compressor, EQ, Reverb |
| Performance Functions | Dual Zone, Transpose, Tuning Adjustment |
| Built-In Speaker | Yes |
| Amplifiers | 2x 10 W |
| Number of Style Presets | 263 |
| Number of Rhythm Presets | 263 |
| Types | Multi-Finger, Auto Chord |
| Practice Features | Lessons/Coaching Modes, Metronome |
| Supported MIDI Standards | GM, GM2, GS, XG1 |
| Number of Recorder Tracks | 16x Audio |
| Audio Recording Formats | WAV: 44.1 kHz / 16-Bit |
| Media/Memory Card Slot | No |
| Audio I/O | 1x 1/4" TRS Headphone Output 1x 1/8" / 3.5 mm TRS Aux Input 1x 1/4" TS Mic Input |
| Pedal Support | 1x 1/4" TS Footswitch (Included) 1x Mini-DIN 6-Pin Multi-Pedal (Yamaha-Proprietary Wiring, Multi-Pedal Unit Not Included) |
| MIDI I/O | No |
| USB I/O | 1x USB-B (Host Connection, MIDI) 1x USB-A (External Memory) |
| Bluetooth | Yes (Audio) |
| OS Compatibility | iOS Only |
| AC/DC Power Adapter | Included |
| Power Consumption | 14.5 W |
| Color | White |
| Included Accessories | Music Rest, Sustain Pedal |
| Dimensions | 55.1 x 17.5 x 5.9" / 140 x 44.5 x 15.1 cm |
| Weight | 47.2 lb / 21.4 kg |
| Package Weight | 68.5 lb |
| Box Dimensions (LxWxH) | 59.5 x 22 x 10.75" |
