The Epicenter Micro combines AudioControls legendary digital bass restoration with world-renowned OEM integration capabilities. Featuring a speaker-level input stage with selectable impedance loads as well as traditional line-level inputs The Epicenter Micro brings out the best bass in any system. Trigger modes include traditional +12V remote in GTO Signal Sense and Audio Sense. The PFM Subsonic Filter can be bypassed for the truly dedicated and the 10V+ output voltage setting beckons only the bravest among us. Use the included ACR-4 remote to independently adjust bass restoration and output level. Features Patented Digital Bass Restoration ParaBASS Bass Shaping Speaker and Line Level Inputs Load Matching Circuit Multiple Trigger Modes ACR-4 Dual Knob Dash Mount Control Included Bass Maximizer The Epicenter Micro 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 to drop down a few octaves and reproduce the missing bass notes. Line Output Converter Beyond maximizing bass The Epicenter Micro is a line output converter packed with premier OEM integration features like AudioControls Load Matching Circuit (LMC) with Load Select multiple Trigger Modes and selectable Ground Isolation. For power-users the PFM Subsonic Filter can be bypassed and Output Voltage can be configured for up to 10 Volts! Whats in the Box The Epicenter Micro ACR-4 20 Phone Cable Speaker and Power connectors Manual Warranty Specifications InputsSpeaker Level Input: 1 (2 channels) Maximum Speaker Level Input: 40 Vrms / 400 W (20k setting) Speaker Level Input Impedance (selectable): 20 60 20k Line Level Input: 1 (2 channels) Line Level Input Impedance: 7k OutputsPreamp Outputs: 1 (2 channels) Maximum Output Level: 9.5Vrms/13V peak Output Impedance: 150 PerformanceTotal Harmonic Distortion: 0.03% Signal to Noise: 105 dB Freq