Do i need to change from 4ga, to 1/0ga

[alxmlr789 10+ year member]

I currently have 4ga wire installed in my truck and im wondering if i need to change to 1/0 gauge. Ill be installing my American Bass xd1800 this weekend. At my battery, its putting out 14.2 volts, and at the end of the wire, its putting out 14.1 volts. (im not sure if this makes a difference at all)

Let me know if it would be best to change wire..thanks

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[phyphoestilic 5,000+ posts]

sounds like a good idea, or at least a 2 gauge.