*** KETRON X4 ARRANGER & SOUND MODULE ***
This unit allows you to connect a MIDI Keyboard or Guitar ( and even a MIDI Accordian ) to it to access a multitude of different Hi Quality Sounds that can turn your Guitar into a Keyboard, Piano, Strings, Brass, Organ, etc. You can also choose many of the internal STYLES and have this unit follow your Guitar Chords with full Backings Arrangements that include Bass Guitar, Pianos, Strings, Organs etc & Drums as you are playing. You play & it follows your chord changes ... what a great way to i