iRig HD Digital Guitar Interface for iPad & Mac. The sequel to the hugely popular AmpliTube iRig interface, iRig HD is an ultra-compact digital guitar interface for iPhone, iPod touch, iPad and Mac. Compatible with guitars, basses, and other instrument level sources, iRig HD offers a high-quality A/D converter for a crystal clear signal that’s free from noise and crosstalk. iRig HD is compatible with the range of IK AmpliTube apps (the #1 app for guitar players) including AmpliTube Fender and AmpliTube Slash as well as any other real time processing app such as Apple GarageBand. iRig HD is powered by your mobile device or computer, no batteries required.