The SoundPro X4 MIDI System is a professional MIDI solution designed for the right-hand (treble / solo) side of the accordion, including an integrated wireless system for maximum freedom on stage. It features a full-color touchscreen display, providing intuitive control and fast access to all essential functions.
This system is designed for 120-bass and 96-bass accordions, compatible with instruments from Scandalli, Dallapé, Fili, Alexandrini, other Italian brands, and selected Weltmeister models.
SoundPro X4 offers extensive customization. MIDI channels can be freely assigned, and each sensor can be individually mapped to any desired note on the solo side. Preset names are fully editable, allowing complete personalization. The system supports advanced bellows control via an air pressure sensor, with adjustable calibration and sensitivity to match the player’s dynamics, from very soft to very strong response.
The touchscreen display allows adjustment of brightness and auto-off timing, and the screen can be activated instantly with a light touch. Powered via USB 5V, the system is easy and safe to install.
The integrated wireless MIDI connection ensures stable, low-latency performance, eliminating the need for cables and allowing full freedom of movement during live performance.
SoundPro X4 can be purchased as a complete right-hand kit with wireless, and can later be expanded if needed. Online installation tutorials are included.
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 X4 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 X4 Board is a versatile solution.
MIDI right hand
MIDI system for right-hand (treble / solo) side
Integrated wireless MIDI connection
Touchscreen display with intuitive control
Designed for 120 / 96 bass accordions
Compatible with major Italian brands and selected Weltmeister models
Individual note mapping per sensor (solo side)
Configurable MIDI channels
Adjustable bellows calibration and dynamics
Editable preset names
Adjustable display brightness and sleep timer
Touch-to-wake display
USB 5V powered
Online installation tutorials included
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