Yamaha CS01 is a compact and versatile synthesizer that offers a wide range of sound creation possibilities. With its built-in amp and speaker, it can be played anywhere, anytime. The CS01 features a 32-key keyboard, five octaves of pitch range, and four different VCO waveforms, including pulse width modulation. The VCF allows for precise control over the sound's tonality, and the VCA provides adjustable sustain and decay times. The CSO1 also has an LFO for creating vibrato, chorus, and other modulation effects.