S4EQ 4 Band Pre-Amp Car Audio Stereo Equalizer - Gold-Plated Front/Rear and Subw
Item model number S4EQ. Sound Storm Laboratories S4EQ 4 Band Pre-Amp Car Audio Stereo Equalizer - Gold-Plated Front/Rear and Subwoofer Outputs. Whats in the box Equalizer. Boost / Cut at Center Frequencies: + / - 18 dB.