Rockford Fosgate® - Woofer WiringWizard

Woofer WiringWizard

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	Wiring Formulas

When wiring woofers, basic electronics can help calculate the total impedance load an amp will "see." Since this section is intended for educational use, some diagrams are not practical for car audio applications.

Wiring Method

	Parallel Wiring	The more woofers connected, the lower the impedance.
	Series Wiring	The more woofers connected, the higher the impedance.
	Series/Parallel Wiring	A combination of both series & parallel wiring wiring.

Parallel Wiring Calculator

Select the Woofer Quantity (up to 10 woofers) and Woofer Impedance to calculate the total impedance of voice coils connected in parallel.

Series Wiring Calculator

Select the Woofer Quantity (up to 10 woofers) and Woofer Impedance to calculate the total impedance of voice coils connected in series.

Speaker Polarity

Your woofer may use one of the following to identify (+/-) terminals.
Positive +	Negative -
red post	black post
purple (4Ω)	no dot
red (8Ω)	no dot

600 S. Rockford Drive, Tempe, AZ 85281 - U.S.A.