Casio ROM Pack World Songs, RO-551 para muchos teclados Casio PT MT CT SK DH ROM
It is model RO-551 "World Songs", in very good condition. Digital Horns: The Casio DH-280 and DH-800. Smaller Sized Keyboards: PT-40, PT-50, PT-55, PT-80, PT-82, PT-87, PT-88, PT-180, PT-280, PT-380, and PT-480.