Which number fuses??

[95lincdog]

I have 2 amps with 2 30a fuses each. An 8 gauge wire comes from each amp to a d-block that has 2 40a fuses. A 4 gauge wire goes from the d-block to the battery with an 80a fuse close to the battery. Does that sound right or do I need to change any fuses? Thanks. Each amp has it's own 8 gauge ground.

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[negolien]

Sounds good enough to me fuses are a little low but I guess it's better to blow them quicker than not.