The Colt is a new breed of audiometer, controlled completely by the touch screen interface of an Android Tablet. The user interface is intuitive and elegant, allowing the operator to move between pure-tone and speech testing with a simple touch. The tablet computer interface sits on top of the Colts advanced hardware platform that does the hard work of accurate signal generation. This platform is an electronic work of art, containing an advanced collection of both digital and analog circuits. Flexibility and power are combined in one sleek package.