v4.0 [Oct 1, 2009]
GUITAR RIG 4 PRO offers innovations and improvements that (not only) guitarists will appreciate. The ability to customize your sound has now taken on a truly professional dimension with the new Control Room feature, reworked matched cabinets, new effects and new amps. Improvements to the interface and architecture make GUITAR RIG 4 PRO the most versatile and powerful version yet.
