Sonoma Wire Works says its GuitarJack Model 2 audio interface now connects a range of instruments, microphones, and other audio hardware to the iPhone, iPad and iPod touch via a quarter-inch instrument and eighth-inch stereo mic/line inputs.

GuitarJack Model 2 offers stereo recording and simultaneous voice and instrument recording, 60dB of continuous level control, configurable Pad, Lo-Z and Hi-Z modes, and increased drive for headphones. It’s available at the introductory price of US$149 (it’s normally $199) and will ship in 4-6 weeks from http://www.sonomawireworks.com/store .