The Mengascini Aurora IV is a 34-note 4-voice (LMMM) piano accordion, with 9 treble and 3 bass register switches.

Available in the tuning and color scheme of your choice; this example has a black celluloid case, red bellows, and a moderate musette tuning of ±10¢.

Ideal for the player who wants to have a wide range of musette sounds at their fingertips.