The Yamaha PortaSound is a compact electronic musical instrument designed for portability. It features a 3-way power system using internal batteries, household current, or a car battery. The device includes built-in speakers and allows users to connect external audio systems for a larger sound output.
Users can select from various preset instrument voices depending on the model (PS-1, PS-2, or PS-3). Key features include an 8-note polyphonic system, sustain effects, four built-in rhythmic accompaniments (Waltz, Swing, Rock, Latin), and an exclusive Auto Bass Chord System available on the PS-2 and PS-3 models.
The instrument requires six 1.5V SUM-2, "C" size batteries.
The system allows you to play up to eight notes simultaneously.
The instrument includes Waltz, Swing, Rock, and Latin rhythms.