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<blockquote data-quote="Defiler" data-source="post: 2798810" data-attributes="member: 550578">Here is what I will be running.1 Alpine PXA-H7002 Alpine MRA-F345 amps (fuses for both are 2 x 30 Amps ea.)They accept 4 or 8 awg powerfirst amp 75 x 4second amp 75 x 1 &amp;amp; 300 x 11 carputer with 150W opus DC PSU.The speakers are 50W RMS so they will never see the full 75W and the sub will take 300W RMS.For the power wire, is it possible to run 4awg to a distro block and 8awg to the amps without issues or would it be better to run 0awg to the distro and 4awg to the amps? The runs from the distro to the amps would be about 2 to 3ft. long and the main run from the battery to the distro would be about 16 to 18 ft. What size in-line fuse should I run? I was thinking 200A if I ran the 4awg but not sure on the wire handling that much.Also, for the BIG 3, is 0awg worth the extra money over 4awg? Will I see that much more of a difference?This is all going in a Toyota Matrix BTW and I was planning on getting KnuKonceptz wire for all of this.</blockquote>

[QUOTE="Defiler, post: 2798810, member: 550578"] Here is what I will be running. 1 Alpine PXA-H700 2 Alpine MRA-F345 amps (fuses for both are 2 x 30 Amps ea.) They accept 4 or 8 awg power first amp 75 x 4 second amp 75 x 1 & 300 x 1 1 carputer with 150W opus DC PSU. The speakers are 50W RMS so they will never see the full 75W and the sub will take 300W RMS. For the power wire, is it possible to run 4awg to a distro block and 8awg to the amps without issues or would it be better to run 0awg to the distro and 4awg to the amps? The runs from the distro to the amps would be about 2 to 3ft. long and the main run from the battery to the distro would be about 16 to 18 ft. What size in-line fuse should I run? I was thinking 200A if I ran the 4awg but not sure on the wire handling that much. Also, for the BIG 3, is 0awg worth the extra money over 4awg? Will I see that much more of a difference? This is all going in a Toyota Matrix BTW and I was planning on getting KnuKonceptz wire for all of this. [/QUOTE]

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