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<blockquote data-quote="fearturtle03" data-source="post: 4273507" data-attributes="member: 559864">I currently have 2 amps. One running like 300wRMS, the other around 200wRMS. They both use 8awg monster cable for power runs of about 8-10 feet.I just got a new amp to replace the 300wRMS, and it will be capable of up to 850wRMS, however the sub only uses about 600wRMS. My question is what wire should i use? I have checked like 5 different sites and they tell mem different things. Crutchfield.com has a table that says 8awg would be fine, while others say 6awg and maybe 4awg.I have 4awg wire right now in my house and may just run it to be safe, but if I did that what size fuse would you suggest. Since 4awg is overkill for 800wRMS, could i get away with fusing it at about 70amp, at the battery? I think the amp has 2x30amp fuses. Or could I get away with not fusing it at all if I am going such a high rated 4awg wire, for not tons of power?Thanks</blockquote>

[QUOTE="fearturtle03, post: 4273507, member: 559864"] I currently have 2 amps. One running like 300wRMS, the other around 200wRMS. They both use 8awg monster cable for power runs of about 8-10 feet. I just got a new amp to replace the 300wRMS, and it will be capable of up to 850wRMS, however the sub only uses about 600wRMS. My question is what wire should i use? I have checked like 5 different sites and they tell mem different things. Crutchfield.com has a table that says 8awg would be fine, while others say 6awg and maybe 4awg. I have 4awg wire right now in my house and may just run it to be safe, but if I did that what size fuse would you suggest. Since 4awg is overkill for 800wRMS, could i get away with fusing it at about 70amp, at the battery? I think the amp has 2x30amp fuses. Or could I get away with not fusing it at all if I am going such a high rated 4awg wire, for not tons of power? Thanks [/QUOTE]

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