Electronic drums kick distroting the mains



We are running our electronic roland drum module straight in to the pa and you can't get the kick drum sound to a decent level before it begins distorting and we are not clipping at the board ? Any ideas ? Active direct boxes, compression, preamp anything.
reduce the output of the drum machine, reduce the input attenuation of the mixer, install a compressor limiter before the mixer, install compressor limiters between electronic crossover outputs and power amplifiers.
Is this an active crossover PA with amps for high low mid?