Audio Control System 90 Model 50 car amplifier, signal processor and 2 way crossover 4 channel bridgeable amplifier, 4 channel equalization, 18dB/octave 2-way crossover, PMF filter, speaker level inputs, selectable low pass / full range out, 50watts x4 or 150watts x2 rms, powered signal processor. Very rare to find in this condition, almost impossible. Box is a bit damage as has been in storage for a long time. Brand new in box- never used, has been removed from the box to take pictures and for testing. Comes with everything as pictured
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