Dexibell VIVO S4 Stage Piano
The Dexibell VIVO S4 is tailored for players who want advanced sound technology in a compact, highly portable 73-key format. Powered by a quad-core processor and equipped with hammer action keys, it combines powerful sound engines with streamlined playability for versatile musical expression.
- 73-Key Hammer Action Keyboard with Triple Contact Sensors
- 3.2 GB Memory with 180 High-Definition Sounds
- Dedicated Organ Sound Engine with Single Footage Management
- Quad-Core Processor with 4x Faster Loading and 2x CPU Speed
- Unlimited Polyphony at 24-bit / 48 kHz Audio Quality
- 12 Independent DSP Effects for Each Sound Part
- Programmable Outputs for Individual Routing (e.g., Organ to Rotary Speaker)
- Bluetooth Audio and MIDI with Remote Control via VIVO Editor App
- Compatible with XMURE App for Live Play-Along Accompaniments
- Made in Italy
Compact Powerhouse with Rich Sound Library
With 3.2 GB of memory, the VIVO S4 supports 180 high-definition sounds including select Dexibell PLATINUM piano tones and over 100 organ presets. Like the larger S10 and S10L, it features a dedicated organ sound engine that handles individual drawbar footages for authentic tonewheel organ performance.
Compact 73-Key Hammer Action Keyboard
The VIVO S4’s 73-key hammer action keyboard features triple contact sensing for precise note tracking, delivering a responsive and expressive playing experience in a more portable size.
Advanced Sound Engine and Extensive Library
Powered by a quad-core processor and 3.2 GB memory, the S4 offers rapid loading and unlimited polyphony. Its rich sound palette includes PLATINUM piano samples and over 100 organ presets, with a dedicated organ engine for detailed tonal control.
Flexible Routing and Wireless Control
Independent programmable outputs allow routing of separate parts to individual amplifiers or effects. Bluetooth Audio and MIDI enable remote programming via the VIVO Editor App, while the XMURE App provides smart accompaniment options for live play-along.
New Aquaviva 5.0 Operating System
Great news for digital piano players: Dexibell has released the all-new Aquaviva 5.0 operating system, bringing a powerful upgrade to the VIVO Stage S Series (S10, S10L, S8M, S8, and S4). Designed with direct input from musicians, this update enhances performance, simplifies navigation, and unlocks new creative potential. Highlights include revamped factory presets, intuitive memory organization, and a new “Freeze Effects” option for seamless sound transitions. Users can now enjoy one-touch “Macro” effects, customizable velocity curves, and refined expression controls. Additional features like Global Transpose, a built-in metronome, pedal-triggered MIDI start/stop, Virtual Damper, and new chord control options further elevate the playing experience. With Aquaviva 5.0, Dexibell gives players a more expressive, flexible, and inspiring instrument than ever before.
SKU | DEX-VIVOS4 |
Vendor | Dexibell |
Bluetooth | Audio Receiving |
Built In Speakers | No |
Included From Manufacturer | Damper Pedal, Power Cord |
Keys Weighted | Hammer Weighted |
Key Cover | No |
Number of Keys | 73 |
MPN | VIVOS4 |
Key Action | Hammer |
Speaker Power | N/A |
Speaker Size | N/A |
Pedals | Damper Pedal included |
Number of Instrument Sounds | Over 100 Organ Preset + 180 Sounds |
Effects | Rotary, Overdrive, Vibrato/Chorus for Organ + 12 Independent DSP x 17 types using "seamless changes" technology at effect recall |
Voices of Polyphony | Unlimited with 320 Oscillator |
Song Recorder | .wav (48 kHz, 32-bit floating) on USB Memory |
Storage Type | Unlimited loadable from USB Memory |
Audio Outputs | 1/8" phones, 1/4" phones, |
Audio Inputs | 1/8" Aux, 1/4" L/R. XLR L/R, |
Control Inputs | MIDI in/out/thru, Pedal 1, 2, 3, and Damper |
Finish | White |
Width | 42.40" |
Depth | 14.56" |
Height | 5.35" |
Product Weight | 26 lbs |

Dexibell products are covered by Dexibell limited 5-year warranty. Dexibell provides the option to extend the warranty to five (5) years, subject to certain limitations, by registering the product within 3 (three) months of purchase, following the applicable terms and conditions. Without this registration, the warranty period remains limited to the minimum guaranteed duration. For more information please visit www.dexibell.com
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