Auto Accompaniment Engine
Adaptive harmony and rhythm detection instantly wraps your performance in a tight ensemble.
Accordion heritage, future-ready sound
Hesedion A portable sound-shaping companion
Perform with band-level depth on your own as auto accompaniment follows your playing, sing-and-play with the mic, and built-in reverb and speakers deliver a full, dimensional sound.
- Auto Accompaniment Engine
- 20 Signature Voices
- 45 Chord Sets
- 95 Drum Grooves
Key Highlights
Sound, feel, and control—right here.
20 Signature Voices
Flip the mode dial to jump from smoky jazz to futuristic synth within seconds.
45 Chord Sets
Extended voicings and inversions keep harmonic ideas flowing.
95 Drum Grooves
Grooves for every genre with real-time tempo and dynamics control.
One-touch Key Shift
No sweat when the singer changes key—modulate instantly and keep playing.
Under 5 kg
PC+ABS shell and modular core keep travel effortless.
Integrated Stereo System
Dual Class-D amps and custom drivers deliver pristine sound with zero extras.
All-around Connectivity
Headphone, line out, MIDI, and USB-C keep you connected on stage and in the studio.
Dual Power Bank System
Operates on a single power bank while keeping another on standby. When one runs out, you can instantly switch to the backup for uninterrupted performance and extended play time.
External Mic Ready
Plug in a mic for sing-along sets with live harmony processing.
Customizable Voicings
Edit filters, envelopes, and FX to craft a signature soundbank.
Bluetooth 5.3 Connectivity
Supports Bluetooth 5.3 for wireless connection to phones, tablets, or computers, and can also be used as a Bluetooth speaker to play external audio.
- Keys
- 36
- Version
- v1
- Weight
- 4.8 kg
- Power
- Dual 14,000mAh power banks / One-touch power switching
- I/O
- Headphone, line out, MIDI In/Out, USB, microphone input
- Size
- 650 x 220 x 90 mm
Morning Light Piano
Retro Jazz Organ
Lightspeed Groove
Tropical Bossa
Cyber Pad
Funk Pulse
Hesedion 2.0 Sound Engine Teaser
An upgraded engine is on the horizon, unlocking layered voices and scene automation. Subscribe to join our early preview.
Read moreArtist Co-creation Program
Three world-music artists are co-designing bespoke sound banks for Hesedion, debuting on our summer tour.
Read moreFirmware 1.2 Adds Bluetooth MIDI
The 1.2 firmware introduces Bluetooth MIDI, tighter auto-accompaniment timing, and new drum kits.
Read moreQuick Start
Start playing in minutes
Set up in just three steps and start your creative journey.
Explore Quick StartDownload the latest firmware, drivers, and user guides to keep your instrument at its best.
Resources rolling out soon
Firmware and drivers are in QA—grab the guide now and subscribe for alerts.
Visit DownloadsHow long do the batteries last?
Dual power banks deliver around 8 hours of play; hot swap them to extend your set.
Can I connect external speakers?
Use the balanced 1/4" outputs or Bluetooth to drive external speakers while keeping the onboard system active.
How will the Directus CMS connect?
Future releases will sync content via the Directus API; this build uses static demo data.
Where to Buy？
Official purchase options and dealers.
- Shenzhen 阿波乐器 Contact: +86 123-1234-5678 123 Music Ave, Dongcheng
- Los Angeles Sunset Instruments Contact: +1 310-555-0199 742 Sunset Blvd
Mainland Purchase
