The Williams Allegro IV includes a truly magnificent concert grand piano designed to amaze and inspire classical and jazz pianists, as well as demanding rock, blues, country and pop players. However, the Allegro IV speaks with much more than one voice. There are 11 more sounds to explore, including two vintage electric pianos, two organs, strings, acoustic and electric bass, vibraphone and choir. The Allegro IV has an 88-key, hammer-weighted keyboard that provides the authentic feel of an actual acoustic grand, making it easy for players to transition from home practice and songwriting sessions to performing live and in the studio on a real piano. The realism continues with graded keys that provide a heavier response at the bottom of the keyboard—just like a real acoustic grand piano. An enhanced, upgraded speaker system ensures you hear every nuance of the sounds and music you’re playing, and Bluetooth audio and MIDI connectivity expands your creative options. In addition, the free Williams Piano app for iOS lets players further personalize their experience with play-along features, customization of the Allegro IV instrument sounds and effects, and more.
- Expressive stereo Concert Piano sound, recorded at several dynamic levels Â
- 12 instrument sounds include vintage electric pianos, organs, strings, bass and moreÂ
- Audio effects include reverb, chorus, rotary speaker, EQ and moreÂ
- 88-key hammer-weighted keyboard
- Graded zones mean a heavier feel at the bottom of the keyboard, just like a real grand pianoÂ
- Room-filling stereo 2-way speaker system Â
- Large, internal ported speaker enclosure for deeper bass responseÂ
- DSP tuning for flat response and extended rangeÂ
- Bluetooth Audio plays back music, videos, and apps through the piano speaker systemÂ
- Bluetooth MIDI connects to apps like the Williams app and included Skoove Platinum trialÂ
- Built-in USB stereo audio/MIDI interface for computer or tablet connectionÂ
- Solid music rest supports heavy music books and tabletsÂ
- Power supply and sustain pedal includedÂ
- Optional wooden stand and 3-pedal controller (sold separately)Â
- 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 keyboardÂ
- Customize up to three different effects, plus EQÂ
- Practice along with your music library without changing the pitch to learn new songsÂ
- 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.































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