Building on the powerful features of The Epicenter Micro and everything you have come to know and love about AudioControl’s legendary bass processing. The Epicenter Micro PRO adds more control and tuning potential for those who wish to push even further into the unexplored outer realms of extreme bass performance. BASS MAXIMIZER – The Epicenter® Micro PRO is designed to reproduce low frequency information by looking at the upper frequency ranges and detecting musical harmonics. These harmonics then allow The Epicenter® Micro PRO to drop down a few octaves and reproduce the “missing” bass notes. LINE OUTPUT CONVERTER Beyond maximizing bass, The Epicenter® Micro PRO is a line output converter packed with premier OEM integration features like AudioControl’s Load Matching Circuit (LMC) with Load Select, multiple Trigger Modes, and selectable Ground Isolation. For power-users, the PFM Subsonic Filter can be selected or bypassed and Output Voltage can be configured for up to 10 Volts! ACR-4 (Included) – Take full command of your subwoofers with the included remote level control. The outer knob adjusts bass restoration or turns the effect off, and the inner knob adjusts output level.