Originally Posted by scooby9
I have an AudioControl LC6i that I use post-amp to sum the sub and front channels together and also boost the line voltage going to my amp. I then use the amp crossovers to split the outputs back to the front speakers and the underseat subs. The sound is amazing, crystal-clear and no-hiss.
Fine, it seems to me I have to use a LC6 too. Maybe the LC6 could be configured to set very low input sensitivity, as I noticed the noise output of HU is constant, nearly independent to the volume adjustment of HU. Or, sell the PDX and buy JL HD600/4 since it has the same high level input as my JL slash.