CHROMATIC PIANO ACCORDION The HOHNER Mattia IV 120 was born for the big stage. This instrument, with Italian and German genes, offers a completely new design. However, the Mattia is much more than just looks. Thanks to the innovative sound projection and the narrow keyboard designed for fast playing, it is perfectly suited for professionals. A special feature is the patented HOHNER chin registers with dual switching option that make sound switching on stage a breeze. Black color, pearlescent keyboard.