'06 Supra 21v with Kenwood KTS-MP400MR control head which is 2 volts I believe. Hifonics Zues Zxi1006 amp 2 channel 500watts @ 2ohms. Skylon Rubicon 350's, which are 3 ohm 350 watts. Ran 4 gauge power off the battery into a splitter then 8 gauge to the sub amp and tower speaker amp. Set amp as close to 2 volts on the level as I could to match the head unit. Pulling ground from the panel under the drivers dash. Everything cuts out at 31 on the head unit. If I turn down the volume, everything comes back on. Is this a power problem? I'm thinking I need to run 4 gauge wire for ground and power. Any suggestions? Also for those that have the same head unit, do I need a preamp to separate the volume control from the boat speakers and tower speakers? Someone told me no, but I can't find a setting that allows me to control them independently.
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