String Theory Controller - The String Theory Controller is an ultra-compact and portable MIDI & CV controller for hardware and software synthesizers. Measuring about the size of a paperback novel at just 210mm (w) x 11.2mm (d) x 42mm (h) it easily fits into a gig bag or backpack for on-the-go musicians and synth enthusiasts. Sporting 32 rotary knobs and 64 banks of programmable memory, it is a powerhouse of a micro controller. A high-resolution screen allows you to deep dive into your programs and make on-the-fly adjustments. With integrated USB-C, it can be powered from a wall charger or even a portable battery pack adding to its versatility.