Image Line Toxic Biohazard Virtual Software Synthesizer "4th Generation in the line of Toxic synthesizers Hybrid synthesis engine combines the best of FM and Subtractive synthesis All the best features from the previous 3 versions Enhancements over Toxic III include optimized sound engine, ""physical"" envelopes, and new effects" Hybrid synthesis engine combines the best of FM and Subtractive synthesis All the best features from the previous 3 versions "Enhancements over Toxic III include optimized sound engine, ""physical"" envelopes, and new effects" With the addition of a warm, analog-modelled filter and set of built-in effects, the Toxic concept remains one of convenience, simplicity, and superb sound quality