Today only, Musician's Friend offers the Peavey AmpKit LiNK Guitar Interface for Apple iPhone, iPod touch, and iPad for $29.99. In-cart it falls to $19.99. With $3.49 for shipping, that's the lowest total price we could find by $6. This device connects any electric guitar, bass, or line level source to an iPhone, most versions of the iPod touch, or iPad for use with musical and recording apps. It can also connect to headphones, powered speakers, and PA systems.