IK Multimedia has announced iRig Mic HD ($100), an updated digital version of 2011’s iRig Mic. Briefly seen at CES, the microphone is noteworthy for its use of a Lightning plug to connect directly to iOS devices—it also supports USB and Dock Connector—as well as its high-quality audio performance. The accessory has a 24-bit audiophile-grade A/D converter, a 44.1/96 kHz sampling rate, and a low noise/high definition pre-amp.…