About the NPK-20

The NUX NPK-20 brings grand-piano feel, extensive versatility, and modern performance power — all in a sleek, portable package. Equipped with a premium 88-key triple-sensor weighted keyboard and 271 high-quality instrument voices, it offers both expressive piano realism and vast sonic variety.

With built-in speakers, microphone input, auto-accompaniment functions, and full connectivity (USB MIDI, Bluetooth, line/aux I/Os), the NPK-20 transforms effortlessly from home piano to performance workstation to songwriting hub. Whether you’re practicing classical pieces, layering lush cinematic pads, singing along with backing tracks, or producing full arrangements, the NPK-20 adapts — giving you the feel of a real piano and the flexibility of a modern digital instrument.

Product Features

Authentic Piano Feel
88-key triple-sensor scaled hammer-action keyboard (with escapement and synthetic ebony/ivory-style keytops), with 5 selectable touch-sensitivity levels.


Huge Sound Palette
271 built-in high-quality sounds across 7 categories — from acoustic grand pianos to electric pianos, organs, orchestral, leads, pads, and more.


Polyphony & Layering Flexibility
Up to 108-note polyphony; supports layering (dual-sound) and split-keyboard mode (with adjustable split point and independent sound/octave per side).


Powerful Built-in Effects & Sound Shaping
4 types of reverb (hall / plate / room / studio), 4 types of compressor presets, plus chorus and delay. Includes a 9-band EQ and tone-brilliance control for fine sound tuning.


Auto-Accompaniment & Arrangement Tools
100 auto-accompaniment styles (with auto-chord / multi-fingered chord support, A/B variations, intros & endings) — basically turning the piano into a one-person band.


Microphone Input for Performance & Singing
Combo XLR/6.35 mm mic input with independent gain/volume and reverb control — great for singer-songwriters, livestreaming, or live performance.


Modern Connectivity

USB MIDI, Bluetooth (Audio & MIDI), AUX In, Line Out (L/MONO & R), dual headphone jacks, damper pedal input (pedal included), optional full pedal-unit jack.


Convenient Performance/Recording Tools

100 demo songs, built-in recorder (5 songs), metronome (9 beats, 3 sounds, 20–280 bpm), transpose (±6 semitones), octave shift (±1), 7 user-preset slots, auto-sleep — covering practice, performance, songwriting, and live work.


Built-In Amplification & Speakers
Stereo output via 2 × 10 W amplifiers driving dual 3″ × 6″ oval speakers — loud enough for home, rehearsal, or small performance spaces without extra gear.


Compact, Performance-Ready Design
Slim, portable design with full-color TFT LCD display (800×480 dpi) and modern control panel — ideal for home studios, apartment living, or gigging.

Compare NUX Portable Digital Piano

NPK-10

Negro

$499.00 USD
NPK-20

Negro

$699.00 USD

Best For

Entry level, home practice

Best For

Intermediate/advanced, live performance, composition, studio use

Keys

88 weighted keys, realistic piano feel

Keys

88 weighted keys, improved feel & key response

Sounds (Voices)

12 built-in tones

Sounds (Voices)

271 built-in tones in 7 sound groups

Polyphony

189 voices

Polyphony

108 voices + more sounds & effects

Effects

Reverb, Delay, Chorus, Dual/Layers, Split

Effects

Reverb, Delay, Chorus, Compressor, EQ, Dual/Layers, Split

Speakers

Built-in speakers

Speakers

Built-in speakers with improved sound

Connectivity

USB, AUX In, Line Out, Headphones, Bluetooth

Connectivity

USB, AUX In, Line Out, Headphones, Mic input, Bluetooth

Features

Basic rhythms, metronome, demo songs

Features

Auto-accompaniment, recording, advanced sound editing, more performance features

Ver producto

Ver producto

Specifications

Detailed product specifications and features

Technical

  • Sound chip Dream 5708 DSP
  • Built-in tones 271 sounds, organized in 7 groups
  • Built-in stereo speakers 2 × 10 W (3″ × 6″ oval speakers)
  • Built-in amplification 2 × 10 W power amps
  • Preamp TI preamp chip
  • Touch Sensitivity 5 types (Super Light/Light/Medium/Heavy/Super Heavy)

Connectivity

  • Pedal In 1/8" (3.5 mm) TRRS
  • Output (L Mono & R) 1/4" (6.35 mm) jack
  • Headphone Out x 2 1/8" (3.5 mm) jack
  • Aux In 1/8" (3.5 mm) jack
  • Microphone Input Dynamic mic input via XLR + 6.35 mm combo jack
  • Bluetooth Yes (Audio & MIDI)
  • USB (MIDI) USB-B

Hardware

  • Assembled Dimensions 51.2 × 10.6 × 5.3 inch
  • Assembled Weight 27 lb