If you are looking for a pocket device to transform your iPhone or iOs device into a portable recording studio. The new second generation Sonoma GuitarJack might be definitely worth a look.

The device simply plugs in to the 30 pin port on your iOs device and provides a convenient way to microphones and instruments using the included 1/4 inch (6.5 mm) instrument input and 1/8 inch (3.5 mm) stereo mic/line input (no phantom power is provided).Together with a 1/8 inch (3.5 mm) stereo headphone/line output with increased drive for headphones.

The Sonoma GuitarJack Model 2 is the first device-powered iOS accessory to provide stereo recording, simultaneous voice and instrument recording, 60 dB of continuous level control, configurable Pad, Lo-Z and Hi-Z modes, with increased drive for headphones. GuitarJack is the perfect companion for GuitarTone, FourTrack,StudioTrack and Taylor EQ and works well with most third party audio apps.

The Sonoma GuitarJack is available at an introductory price of $149 (MSRP $199) and will ship in 4-6 weeks. The GuitarJack Model 2 Audio Interface is compatible with iPhone 4, iPad 2, iPad, and iPod touch (2nd, 3rd and 4th generation).