It will be available in October for $199, with upgrades from previous versions costing $79.

, the company's guitar hardware and software studio, adds new speaker and microphone emulation technology, dedicated master effects selection, and overhauled preset browser, and more.

It will be available in October 2009 in several different flavors. The software will cost $199, software plus an included foot controller/audio interface will cost $449, Guitar Rig 4 Essential (a software version with a reduced feature set) will cost $99, Guitar Rig Session (which combines Guitar Rig 4 Essential with the Session I/O audio interface will cost $249, and Guitar Rig Mobile will cost $119.