Sonnox HD-HDX - Essential mix with the same high-end plug-ins used on countless hit records all over the world. The Sonnox Essential Collection has all the essential ingredients to polish your mix. The Sonnox Essential plug-in bundle gives you a crop of must-have mixing tools at massive savings. This high-end plug-in collection includes Sonnox's acclaimed Oxford EQ, Oxford Dynamics, Oxford Reverb, and Oxford SuprEsser - all the ingredients you need to polish your mix.