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<blockquote data-quote="kr15" data-source="post: 6819768" data-attributes="member: 620194">Ok, so today I was installing a 4ch alpine that I received from 919motoring (amp was in good condition, well packed, etc..so im not implying a faulty amp)....I initially hooked up the alpine to test for working order. Channels 1 and 2 worked fine and sounded good, however, 3 and 4 barely made any sound at all. Oh, i checked channels 2 at a time as I didnt have a splitter, hence checking 1 and 2, and then 3 and 4. Anyway, that is more a question for later. Considering that I could only get sound from 1 and 2, I hooked my 6x9s up to these channels. I ran the rca&#039;s from deck to ch 1and2 input on alpine. I then ran rcas from the Alpine &quot;preouts&quot; to the Brutus input...here is my problem, when I did this, it cut down my sub output by at least 50%. My sub wasnt hitting hard at all. Thinking that there might be an issue with the outs on the alpine, I ran rcas to the Brutus first, then from Brutus outs to Alpine ch 1 and 2 input. When I did this, the bass increased somewhat, but I had still lost about 25% of the bass output, also, when I did this, the Alpine amp then became inaudible. The 6x9s were lower than when my HU powered them...so both ways, the amps were underperforming. So my question is this; can my HU preouts just not support 2 amps? Do I need a line driver? My HU has 1 set of 2v outputs..do i need a new deck?Any suggestions are appreciated...Thanks</blockquote>

[QUOTE="kr15, post: 6819768, member: 620194"] Ok, so today I was installing a 4ch alpine that I received from 919motoring (amp was in good condition, well packed, etc..so im not implying a faulty amp).... I initially hooked up the alpine to test for working order. Channels 1 and 2 worked fine and sounded good, however, 3 and 4 barely made any sound at all. Oh, i checked channels 2 at a time as I didnt have a splitter, hence checking 1 and 2, and then 3 and 4. Anyway, that is more a question for later. Considering that I could only get sound from 1 and 2, I hooked my 6x9s up to these channels. I ran the rca's from deck to ch 1and2 input on alpine. I then ran rcas from the Alpine "preouts" to the Brutus input...here is my problem, when I did this, it cut down my sub output by at least 50%. My sub wasnt hitting hard at all. Thinking that there might be an issue with the outs on the alpine, I ran rcas to the Brutus first, then from Brutus outs to Alpine ch 1 and 2 input. When I did this, the bass increased somewhat, but I had still lost about 25% of the bass output, also, when I did this, the Alpine amp then became inaudible. The 6x9s were lower than when my HU powered them...so both ways, the amps were underperforming. So my question is this; can my HU preouts just not support 2 amps? Do I need a line driver? My HU has 1 set of 2v outputs..do i need a new deck? Any suggestions are appreciated...Thanks [/QUOTE]

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