Yamaha Piaggero NP-31 76-Key Portable Grand Digital Piano


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The Yamaha NP31 Portable Grand runs on batteries and features Yamaha’s famous acoustic piano sounds along with 9 additional sounds. Sam Ash Direct has the guaranteed lowest price and fast free, shipping.

The Yamaha NP31 Piaggero portable keyboard features a lightweight design that operates on just 6 AA batteries and allows you to take great acoustic piano sound wherever life takes you.

The Yamaha NP-31 has 76 piano-style keys sporting a non-weighted, graded soft-touch feel. You can adjust the touch response from Hard, Medium, Soft or Fixed, one being just perfect for your particular style of playing. Useful functions such as adjustable tempo, adjustable time signature and transpose are easily within reach on the top panel. The built-in metronome features a numeric key function allowing you to set the tempo to the exact resolution you need.

32-voice polyphony means your notes won't drop out even when performing complicated scales and runs up and down the keyboard. You can play 2 different sounds simultaneously at the touch of a button. Layer strings on top of piano for a lush marriage of tones that go together perfectly as you lift your ballads to new heights or layer vibes on top of a piano for an increased bell-like quality that really cuts through the mix.

The Yamaha NP31 sports a sleek, compact, lightweight design. Weighing in at only 12 lbs and able to be powered by six AA batteries (not included), you can take the NP31 anywhere easily, power up and start playing.  The NP31 comes with a function that turns off the power automatically if the keyboard has not been used for a set amount of time (30 minutes) in order to avoid using power unnecessarily to support long battery life. Power is also available via the Yamaha PA-150 AC power supply (not included). A stereo pair of 4.7” x 2.3” top panel speakers is each driven by a 6W amp per speaker.

Rear panel connections include MIDI I/O, Sustain Pedal jack (half-damper compatible), DC IN and a ¼” headphone jack that doubles as a balanced stereo audio output. Here you can hook the Yamaha NP31 to a power amp or PA system and experience an improved sound of the high quality samples. This is where the NP31 shines and makes it the perfect portable piano for your next live gig. A sheet music rest is included.

Get your Yamaha NP31 Portable Grand Digital Piano today from Sam Ash Direct and enjoy the confidence that comes from fast, free shipping, the guaranteed lowest price and our 45/60-day return/price protection policy.

Things You Will Get:

  • NP31 Portable Grand Digital Piano
  • Music Rest
  • Owner's Manual
Series Piaggero
Other Features Headphone jack
Model NP31
Number of Presets 10
Power Supply Type Optional Adaptor (PA-5D/PA-150), or batteries (Six "AA" size, LR6 or equivalent batteries)
Polyphony 32 voices
Number of Keys 76
Type of Action Graded Soft Touch
Other Controllers Sustain
Wave Memory Advanced Wave Memory (AWM) Stereo Sampling
Expansion No
Number of Effects Reverb, 4 Types
Weight 12bs., 9oz
Dimensions 49"W x 41/8"H x 10-1/4"D
Arpeggiator No
Digital Input Type None
Number of Digital Outputs N/A
Controller Types None
Built-in Rhythms N/A
Sampling No
Audio Playback Yes
MIDI Sequencer Yes
Number of Audio Outputs N/A
Number of Digital Inputs N/A


by PowerReviews
YamahaNP31 76-Key Portable Grand Digital Piano

(based on 1 review)

Reviewed by 1 customer

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(2 of 2 customers found this review helpful)




from Bronx, NY

About Me Professional Musician

Verified Reviewer


  • Easy to Use
  • Portable
  • Realistic Sound
  • Responsive / Good Action
  • Touch Sensitive Keys


    Best Uses

    • Accompaniment
    • Chamber Music
    • Learning
    • MIDI
    • Travel

    Comments about Yamaha NP31 76-Key Portable Grand Digital Piano:

    This keyboard replaced my old Casio WK3000 which took up way too much room on my desk. And since I used it mostly to notate music in Finale, I didn't need a keyboard with hundreds of sounds. This Yamaha is a much better fit fro my needs. I can still play it as a piano, for when I practice sonatinas and such, and it works beautifully with Finale 2012.

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    The manufacturer's warranty covers a LIMITED 3 YEAR WARRANTY ON DIGITAL PIANOS (P, CP, YDP, DGX640, DGX650) from date of purchase.  The warranty excludes damage from misuse, abuse, and contains other exclusions.

    More info here:

    Information not available