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<blockquote data-quote="DOOM_NX" data-source="post: 5120040" data-attributes="member: 602868">Pioneer 4000UB has 1 RCA pair for either rear speaker or sub use. At the moment he has driven the signal of that RCA output to the EP4 amp. If we add another amp, that 2 channel RCA signal will be distributed somehow in 5 channels... I get how the amp will produce 4 channels out of 2, but I don&#039;t get how signal will get to the subwoofer amplifier... RCA Y-adapter or something? Where should it be placed?Like:[CODE]&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; -&amp;gt; Front Speakers&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; /&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; -&amp;gt; EP4 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; /&nbsp; &nbsp; &nbsp; \HU-&amp;gt; RCA Y-adapter&nbsp; &nbsp; &nbsp; &nbsp; -&amp;gt; Rear Speakers&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; \&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; -&amp;gt; TC3001 -&amp;gt; Subwoofer[/CODE]Am I thinking right? In general the whole configuration will be run by Rear speaker RCA signal.EDIT: I just read online, that it&#039;s better to put a crossover after the headunit than an RCA splitter... That way I&#039;m not gonna lose any signal level... Is this true? Do u recommend it?Thanks again.</blockquote>

[QUOTE="DOOM_NX, post: 5120040, member: 602868"] Pioneer 4000UB has 1 RCA pair for either rear speaker or sub use. At the moment he has driven the signal of that RCA output to the EP4 amp. If we add another amp, that 2 channel RCA signal will be distributed somehow in 5 channels... I get how the amp will produce 4 channels out of 2, but I don't get how signal will get to the subwoofer amplifier... RCA Y-adapter or something? Where should it be placed? Like: [CODE] -> Front Speakers / -> EP4 / \ HU-> RCA Y-adapter -> Rear Speakers \ -> TC3001 -> Subwoofer[/CODE] Am I thinking right? In general the whole configuration will be run by Rear speaker RCA signal. EDIT: I just read online, that it's better to put a crossover after the headunit than an RCA splitter... That way I'm not gonna lose any signal level... Is this true? Do u recommend it? Thanks again. [/QUOTE]

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