Sonic Extensions: Undercurrent is a dark and atmospheric sound library for Omnisphere, designed by Ignacio Longo, offering a vast world of evocative moods and brooding textures perfect for dark electronic music production. With over 2,000 sounds across 11 categories and over 300 new Soundsources, Undercurrent features exclusive effects like the “Under Fire” saturator/comp/EQ and “Under Echo” pitch-shifted ambience, providing endless creative possibilities. Its powerful Custom Controls and innovative Modular Multisampling allow for deep sound manipulation, transforming ambient tones into pulsing rhythms and intense atmospheres. With ominous sounds recorded in secret underground tunnels, this library is an indispensable tool for any composer or producer seeking to explore dark, intense, and cinematic soundscapes.

Collections below require both Omnisphere 2 and Sonic Extensions Undercurrent - both available from Spectrasonics.