As many of each as your computer can handle.
Synthesizers, samplers, drum machine, REX file loop player, professional mastering tools, mixer, vocoder, world class effects, pattern sequencer and more.
And it's more than just a set of excellent synths and effects. Reason 3.0 is a virtual studio rack with all the tools and instruments you need to turn your ideas into music. Making music should be as easy as powering up a computer, loading up a powerful piece of music software, and getting down to business.
