Hidden Systems's profile Hidden Systems makes all that you listen to or watch at home sound and look better than you ever thought possible. Whether you’re passionate about music or love watching movies, they have a solution for you. A great system will stir emotions, relax you, or put you on the edge of your seat. From their premises in Ascot, Berkshire, they have supplied and installed fantastic sounding hifi and home cinema equipment to customers in the south of England.