If you're scoring or working on film trailers you know what this is what it's for. If you don't- then this isn't for you. Its the booms, the brammmms, the sub sonic hits that knock you in the chest in the theatre while you're waiting for the main film to start. Great set of various hits, ready to go with great sound quality of course from Cinetools. Listed as Dark, Futuristic, Intense and Tonal - you get that and more. Great job!