Item #1582658 Model #ALLEGRO IV BLK

Williams Allegro IV 88-Key Digital Piano With Bluetooth and Sustain Pedal Black


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A portable digital piano bundle with Bluetooth capabilities, power supply and a sustain pedal.

The Williams Allegro IV portable digital piano provides the sound and feel of a concert grand piano combined with advanced Bluetooth technology to help players learn and practice. Twelve different instrument types are fed to a studio-style speaker system for a high-quality, room-filling sound. It’s equally ideal for beginners practicing for their first recital or experienced musicians playing a symphony performance.  

The Allegro IV digital piano will inspire a lifetime of music. 

It all begins with Williams' stereo grand piano sound, recorded in stereo from a famous Italian concert grand to capture the full dynamics and bass response of the instrument. Vintage electric pianos, organs, synthesizer, bass are also included. Strings, choir and more can be layered or split on the keyboard for an even fuller arrangement. The graded, hammer-weighted keyboard offers authentic piano response and complete control of your performance. For an even fuller piano experience, add the Williams optional wooden stand and triple-pedal accessories.  

The Allegro IV's speaker system is unlike any other compact piano. Its large, ported speaker cabinets with DSP technology provide a rich bass response that delivers a professional-quality sound beyond most portable pianos. Dual drivers, a powerful amplifier and DSP tuning make the Allegro IV one of the best-sounding digital pianos in its class, delivering the high-fidelity sound and full sonic range of a grand piano.  

Bluetooth Audio and an AUX input allow you to play along with videos, music or apps, either through the speaker system or headphones. There's also Bluetooth MIDI for use with apps, and a built-in USB audio/MIDI interface for recording with a computer. Williams’ free iOS app allows you to customize the sound of the piano and effects, play along with your music library, and more. A 90-day trial for Skoove interactive piano lessons is also included.
  • Keyboard: 88-key graded, weighted hammer action keyboard
  • Polyphony: 128 voices
  • Instrument sounds: 12
  • Layer control: Layer, Touch, Split, Transpose, Metronome
  • Connections: USB, Sustain, 3-pedal unit, Line Out (1/4" unbalanced left and right), 1/8" Stereo Aux input, two 1/8" headphone outputs (on front panel)
  • Included accessories: Sustain pedal, power supply, music rest
  • Dimensions: 52" x 13.2" x 4.5"
  • Weight: 35.5 lb.


  • Expressive stereo Concert Piano sound, recorded at several dynamic levels  
  • 12 instrument sounds include vintage electric pianos, organs, strings, bass and more 
  • Audio effects include reverb, chorus, rotary speaker, EQ and more 
  • 88-key hammer-weighted keyboard
  • Graded zones mean a heavier feel at the bottom of the keyboard, just like a real grand piano 
  • Room-filling stereo 2-way speaker system  
  • Large, internal ported speaker enclosure for deeper bass response 
  • DSP tuning for flat response and extended range 
  • Bluetooth Audio plays back music, videos, and apps through the piano speaker system 
  • Bluetooth MIDI connects to apps like the Williams app and included Skoove Platinum trial 
  • Built-in USB stereo audio/MIDI interface for computer or tablet connection 
  • Solid music rest supports heavy music books and tablets 
  • Power supply and sustain pedal included 
  • Optional wooden stand and 3-pedal controller (sold separately) 
  • Use your iPad or iPhone to control the piano with the Williams App for iOS
  • Set up sound splits and layers for different sounds across the keyboard 
  • Customize up to three different effects plus EQ 
  • Practice along with your music library without changing the pitch to learn new songs 

WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer, and Lead, which is known to cause birth defects or other reproductive harm. For more information go to