Roland V-Accordion Lite Piano Keys and Speakers, Black (FR-1X-BK) Full range high quality speakers on board in bass reflex box: 7 W x 2 USB memory port for Wave/MP3 player, new-sounds upload, data loading/saving Professional look with friendly user interface and 7-segment LED Standard and Free Bass modes 16 Accordion Sets, 16 Orchestral sounds, four Virtual Tone Wheel presets, eight User Programs