? 18dB/oct variable freq: 35Hz - 400Hz, 20x multiplier option front & rear high-pass crossover;? 18dB/oct, variable freq: 45Hz - 250Hz sub low-pass crossover;? Bass boost variable to ?18dB @ 40Hz - 120Hz variable;? Double-sided PCP board;? 8V max output level;? Freq resp: 10Hz - 50kHz (3dB) ;? THD: .00015%;? Signal-to-noise ratio: >95dB ;? 2 stereo inputs with parallel input option;? 3 stereo outputs?5Vms;? Includes remote bass control