Behringer Sonic Ultramizer SU9920 Ultimate Stereo Sound Enhancement Processor Dramatically improves your sound by adding clarity, dimension and depth Produces natural brightness through harmonic enhancement and tighter bass with increased punch through phase compensation Professional and home recording studios: brings out the full sound spectrum of your tracks, mixdown and mastering PA, nightclub and DJ systems: improves the performance of any sound system by adding sparkling high end and super-tight bass without the need for additional speakers or amps Churches and worship houses: dramatically increases voice intelligibility and your music gains presence