Kustom KMOD20 is a versatile guitar amplifier with 24 different amplifier models, making it suitable for a wide range of musical genres. It features a simple and intuitive interface, with a single knob for selecting the amplifier model and a volume control. The KMOD20 also includes a headphone jack for private practice and an input for connecting an electric guitar. Additionally, it has a compact and lightweight design, making it easy to transport and store.