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Title: Okay sound but poor response curve properties.
Review: This amp has a good sound, but if you are looking to drive signals in the 40 to 80 Hz range, you should consider a different amplifier. This amplifier does not have a flat response curve, and with the crossover adjustment set to the highest range (180 Hz) the amplifier starts to attenuate as high as 200 Hz. By the time you reach the lower frequency range, the attenuation is very high, making this subwoofer amp a poor choice for subwoofers.
