PC Recommended System: Intel Core 2 Quad, or AMD Quad Core 2.66GHz or Higher, 4GB RAM 64-bit Windows / Host Sequencer Sound Card with ASIO Drivers 450MB Hard Drive Space, Ilok Key. * 24-bit, True Stereo, Convolution Reverb That Sets a New Standard by Utilizing New Impulse Recording Techniques Developed over the Past Seven Years. * Mac Recommended System Mac Pro Quad Core Intel Xeon 2.66GHz or Higher 4GB RAM 450MB Hard Drive Space Ilok Key Mac OSX 10.5 or Later. * ATC, Neumann, Telefunken, Neve, Meitner Signal Path, Low CPU usage, with cleanest signal path possible * Film Score, Rock, Pop, Jazz, Classical, Esoteric and Dreamy Reverbs