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<blockquote data-quote="stones" data-source="post: 1004284" data-attributes="member: 540734">I have heard subs make funny rattling sounds when the polaritys of one sub was opposite of the other.Check all your speaker wires again, in fact tear everything apart and hook it up again(not the power wires, just the speaker wires).To be extra sure that the terminals on the speaker inputs are correctly labeled take a 9volt battery, touch the positive terminal of the battery to the positive terminal of the sub, same shit for the negative.Now when you touch the battery to the terminal the cone should move outward slightly, this is good, it means that the terminal is properly labeledIf the cone moves in slightly, thats bad, it means the factory has mistakenly hooked the negative lead of the VC to the positive speaker terminal, the speaker will still work fine you just need to hook the positive wire the negative terminal, this should be covered under warranty though.Give the actual model numbers of the subs and the amp, if we know exactly what amp and sub you have we can give you the best possible way to wire it.</blockquote>

[QUOTE="stones, post: 1004284, member: 540734"] I have heard subs make funny rattling sounds when the polaritys of one sub was opposite of the other. Check all your speaker wires again, in fact tear everything apart and hook it up again(not the power wires, just the speaker wires). To be extra sure that the terminals on the speaker inputs are correctly labeled take a 9volt battery, touch the positive terminal of the battery to the positive terminal of the sub, same shit for the negative. Now when you touch the battery to the terminal the cone should move outward slightly, this is good, it means that the terminal is properly labeled If the cone moves in slightly, thats bad, it means the factory has mistakenly hooked the negative lead of the VC to the positive speaker terminal, the speaker will still work fine you just need to hook the positive wire the negative terminal, this should be covered under warranty though. Give the actual model numbers of the subs and the amp, if we know exactly what amp and sub you have we can give you the best possible way to wire it. [/QUOTE]

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