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The PW-4GA-100BK is a 100-foot spool of 4-gauge power wire for car audio installs. The spool is black. Buying by the spool is cheaper per foot than buying kit lengths for multi-amplifier builds.
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4-gauge sizing follows the American standard, so it matches published amperage and run-length charts instead of the undersized 'true gauge' many cables use.
A 100-foot spool covers a full install with wire left over, at a lower cost per foot than buying pre-cut lengths.
The black jacket makes polarity obvious at both ends of the run, so you are not tracing wire behind panels to confirm which is which.
Fine-strand ultra-flex construction routes through door boots, under carpet and around tight bends without kinking or fatiguing.
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