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<blockquote data-quote="jdc753" data-source="post: 5074512" data-attributes="member: 572078">Depending on the sound card you get you may want to have a Line Driver to up the voltage on the RCA&#039;s before they get to the amps. For my install I just stuck with an HU but I know it can be done without one. Honestly I would go over to <a href="http://www.mp3car.com" target="_blank">http://www.mp3car.com</a> and do some searching around on there and someone who has done this already will have some good answers for you and should be able to point you to some good gear.Another thing you could look into would be getting a motherboard with S/PDIF or Optical out and use it to feed the audio signal into a processor such as the Alpine H701 (will need Rux-C701 to control it.)I haven&#039;t actually done it (was thinking about this earlier though.) BUT, I imagine you could get the headphone jack to RCA cable and then run RCA&#039;s your 4 amp and then daisy chain it out to any other amps. All the audio processing would have to be done on the amplifiers and again a line driver might be needed to boost the signal to the amps.</blockquote>

[QUOTE="jdc753, post: 5074512, member: 572078"] Depending on the sound card you get you may want to have a Line Driver to up the voltage on the RCA's before they get to the amps. For my install I just stuck with an HU but I know it can be done without one. Honestly I would go over to [URL="http://www.mp3car.com"]http://www.mp3car.com[/URL] and do some searching around on there and someone who has done this already will have some good answers for you and should be able to point you to some good gear. Another thing you could look into would be getting a motherboard with S/PDIF or Optical out and use it to feed the audio signal into a processor such as the Alpine H701 (will need Rux-C701 to control it.) I haven't actually done it (was thinking about this earlier though.) BUT, I imagine you could get the headphone jack to RCA cable and then run RCA's your 4 amp and then daisy chain it out to any other amps. All the audio processing would have to be done on the amplifiers and again a line driver might be needed to boost the signal to the amps. [/QUOTE]

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