The Roland AX-7 is a keytar that was manufactured by Roland Corporation from 2001 to 2007. This modern instrument contains many more advanced features than early keytars such as its predecessor, the Roland AX-1, and the Yamaha SHS-10. It runs on 6 AA batteries or an external power source. It has a 45 velocity sensitive keys (without aftertouch), and a 3-character LED display.