Product description
It is easy to install, with full step-by-step tutorials available on our website, making it suitable for both technicians and experienced musicians. Powered via a standard 5V USB power bank, it offers mobility and flexibility for live use.
The SoundPro X2 Board supports:
Treble key sensors (magnetic or optical, depending on configuration)
Bellows air sensor for dynamic expression
Bass module connection for future expansion
Built with professional-grade components, the board delivers fast response, high accuracy, and stable MIDI performance. Whether you want to control hardware sound modules, arranger keyboards, or software instruments, the SoundPro X2 Board is a versatile solution.
Key Features
MIDI board for accordion right-hand (treble) side
Designed for 80-bass accordions (Hohner, selected Weltmeister models)
Easy installation with video tutorials available online
5V USB powered (compatible with power banks)
Supports bass module connection for upgrades
Supports bellows air sensor for dynamic MIDI expression
Compatible with most MIDI sound modules, keyboards, and DAWs
Professional-grade PCB for stability and long-term use
More about the product
The SoundPro X2 Board turns your 120-bass accordion into a responsive MIDI instrument. Easy to install with online tutorials, it supports bass expansion and dynamic bellows control. USB-powered and built with high-quality components, it’s ideal for musicians seeking portability, flexibility, and professional performance







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