For decades, DBX's patented Subharmonic Synthesis has rattled foundations enhancing the bass in a variety of professional applications including nightclub and DJ mixing, theatre and film sound, music recording, live music performance and broadcasting. DBX's Subharmonic Synthesis process actually produces a new, Waveform Modeled bass note, exactly an octave below the bass in the original audio. - Based on DBX's fabled Subharmonic Synthesizer processors - Simple, intuitive interface - Synthesized frequency level indicator LEDs - Individual controls for two ranges of subharmonic frequencies - Subharmonics level control - Synthesis Bypass switch