Alpine 9807 Head Unit

[SunKicker 10+ year member]

I just got this head unit which states in 4 volt Pre-Outs , I also got a new AudioBahn A4002t amp which I admit sounds great but I have to have the gain almost cranked, I was thinkin this can't be right the amp will go up to 8 volt gain, then I was reading on the Alpine website/manual that is says 4Volt MAX.... soo I am assuming that the head unit Pre-out isn't even rms... soo in that case would it only be 2volt pre-out RMS? And would it be beneficial to buy one of them Voltage Converter to go from a 2 volt pre- out to say 4 volt etc.???

Thanks!

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[MeAtWork]

Sorry can't help u but I have a problem which seems somelike the same. My pioneer headunit gives 4v preout but my amp can only handle 2v because it's from '94. I have to put my gain down or put it on fixed. Else the sub starts bouncing back and forward while there is no bass which makes a chopper like sound.

Any idea if there is a 4v to 2v adapter and if this could be helpful??