The Yamaha reface CP synthesizer features speakers and battery enabling It boasts a sound source sound designed for superior sound built-in power,

Professional, high-grade sound source with a focus on sound output: AN sound source Aiming to create a keyboard that you'll never get tired of playing, we've developed a new compact keyboard called the 'HQ Mini'. High-grade texture in the exterior, knobs, sliders, etc. Built-in speaker and battery power enable "anytime, anywhere" use.