Fender Slide Audio Interface for iPhone, iPad, and Mac/PC Premium AD/DA converters for more accurate sound into and out of your device Dynamic Range Extension circuitry for maximum dynamic range and signal to noise ratio, and better translation of your performance Sturdy ergonomic design for seamless integration with your performing or recording rig - balanced for skid-free tabletop operation and intuitive access to controls Bi-directional audio allows for simultaneous input and output monitoring Separate VOLUME and MIX controls for quick adjustment of your personal mix - mix control lets you incorporate dry signal to overcome system latency