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<blockquote data-quote="neo_styles" data-source="post: 7988736" data-attributes="member: 644168">Everyone&#039;s going to have their own opinion. I think as long as the amps are fused, a fused d-block is overkill. Just fuse the wire going into the d-block close to the battery at the wire&#039;s amp rating. The amps can protect themselves and you should be fine running 4ga to the Alpine amp. Don&#039;t worry about watts. Add up the fusing on the amps and that&#039;s how much current draw MAX you should expect. As long as the wire&#039;s rated for more than that, you&#039;re good to go.Technically, you could even go up to 0ga on that amp if you have the ability to use a reducer or a ring terminal. If it&#039;s the push-in type (like the Rockford P8004 I had), it&#039;s most likely not going to fit, though. I would suggest this only because it means you&#039;re running wire once and you&#039;re done for good. If you put in 4ga and want to have something that draws more than 120-150A, you&#039;re going to have to upgrade the main power wire.</blockquote>

[QUOTE="neo_styles, post: 7988736, member: 644168"] Everyone's going to have their own opinion. I think as long as the amps are fused, a fused d-block is overkill. Just fuse the wire going into the d-block close to the battery at the wire's amp rating. The amps can protect themselves and you should be fine running 4ga to the Alpine amp. Don't worry about watts. Add up the fusing on the amps and that's how much current draw MAX you should expect. As long as the wire's rated for more than that, you're good to go. Technically, you could even go up to 0ga on that amp if you have the ability to use a reducer or a ring terminal. If it's the push-in type (like the Rockford P8004 I had), it's most likely not going to fit, though. I would suggest this only because it means you're running wire once and you're done for good. If you put in 4ga and want to have something that draws more than 120-150A, you're going to have to upgrade the main power wire. [/QUOTE]

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