Audio Control EQLWHITE Trunk Mount Equalizer and Pre-amp Trunk Mount Equalizer and Pre-amp Dual-bandwidth Equalization6 Band, 1/2 Octave Bass EQ7 Band, 1 Octave Equalizer Two Input and Output Channels Input and Output Level Matching Controls Programmable Frequency Match (PFM) Subsonic Filter Speaker Level Inputs - Can Accept 400 Watt Signals! Line Level Inputs Balanced Inputs Trunk Mount Equalizer and Pre-amp