A sequel to the company's very popular iRig guitar interface, IK Multimedia's iRig HD ($99) is an enhanced, digital version for the iPhone, iPad, and Mac. Recording artists can choose between included Dock Connector, Lightning Connector and USB interface cables for a variety of connectivity options, with a high-quality instrument level 1/4" Hi-Z input jack for connecting a standard guitar patch cable. iRig HD also includes a built-in 24-bit DAC…