IK Multimedia iRig HD studio-quality guitar interface for iOS and Mac High-quality instrument-level 1/4 Hi-Z input jack Includes Lightning and USB cables for iPhone, iPod touch, iPad and Mac Adustable input gain control for ideal sound quality with any instrument type High-quality 24-bit A/D conversion for pristine sound Powered by the iOS device or USB no need for batteries Designed for AmpliTube apps but works great with GarageBand and most other top music apps High quality instrument level 1/4 Hi 30-pin cable required, sold separately