Audio interface adapter for iPhone, iPod or iPad from iRig series that combines an easy-to-use instrument interface adapter with guitar and bass tone software for Apple mobile devices, and allows for connecting the guitar or the bass right into the mobile devices. Also, it can be used with line level signals from synthesizers, keyboards or mixers, or connected to headphones, amplifiers and powered speakers. Interface adapter is equipped with an AmpliTube, gear modelling software for professional recording studios in mobile platform app version, that offers an entire guitar/bass rig comprised of 3 recombine-able simultaneous stompboxes, an amp-head plus cabinet and microphone. With AmpliTube fully loaded, user can choose between 5 amplifiers with full controls, 10 stompbox effects, 5 cabinets and 2 microphones, or use a chromatic digital tuner or metronome. It also allows for importing and playing with songs, or backing tracks with real-time effects, and create, save and recall up to 36 presets. Device is compatible not only with AmpliTube app, but it works with any other recording processing or tuning app. Interface adapter features one 1/4" female mono input jack connector, and one 1/8” female stereo output mini-jack connector.