P28S4

8" Punch Stage-2 4-Ohm SVC Subwoofer P28S4

(2004-2006) 8" Punch Stage-2 4Ω single voice coil subwoofer rated to handle 200 Watts RMS.  The 1st generation subwoofer to utilize the P2 family name.

• Model replaced by P2D48, then P2D4-8

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Discontinued
Overview

The Stage-2 8" subwoofers are a natural choice when your install space is limited. The removable motor cover and reversible concealing ring assures maximum installation flexibility even in some of the smaller enclosures.

  • Precision stamped CRS basket w/ removable motor cover
  • High excursion large roll surround
  • Parabolic triangular cone geometry support system
  • Massive double stacked magnet motor assembly
  • Anodized aluminum voice coil former
  • Linear spider
  • Insulated 16 AWG tinsel leads / dual 8 AWG spring compression wiring terminal
  • Removable and reversible screw concealing ring
  • 1 Year Warranty
Technologies
Reversible Mounting

Rockford Fosgate subwoofers can be mounted in either direction. A removable trim ring can be installed ...

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Magnetic Linearity

Results in loud, powerful punched up bass with low distortion.

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Triangular Support System

Produces tight, solid bass at high sound pressure levels.

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Klippel DA1 Analyzer System

Measures and confirms a subwoofer's high power stability prior to release for production.

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Anodized Aluminum Voice Coil Former

Rockford Fosgate subwoofers use anodized aluminum voice coil formers that provide superior heat dissipation (up to ...

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Vibration Analysis

Improves overall basket design.

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Punch Stage 1 & 2 Basket Design

Basket design reduces resonances.

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Specifications
Size
8"
Nominal Impedance
4-Ohm
SPL (dB @ 1w/1m)
84
Voice Coil Diameter
2" aluminum
Voice Coil Diameter
2" aluminum
Mounting Depth
4.0625 in.
(10.32 cm)
Speaker Connector
Dual 8 AWG compression
Shipping Weight
8.25 Lbs.
(3.7 Kg.)
Magnet Weight (oz)
30 oz. double stacked
Compatibility
Support

Return Authorization

Contact the Authorized Rockford Fosgate Dealer you purchased this product from. If you need further assistance, call 1-800-669-9899 for Rockford Customer Service. You must obtain an RA# (Return Authorization number) to return any product to Rockford Fosgate. You are responsible for shipment of product to Rockford.


Wiring Wizard

Available Wiring Diagrams

Please consult your amplifier owner's manual for lowest recommended impedance.


Wiring Diagram #1



Wiring Diagram #2



Wiring Diagram #3



Wiring Diagram #4



Wiring Diagram #5



Wiring Diagram #6

Speaker Polarity

Your woofer may use one of the following to identify (+/-) terminals.

Positive +

Red Post

Purple (4Ω)

Red (8Ω)

Negative -

Black Post

No Dot

No Dot

Speaker Polarity

Your woofer may use one of the following to identify (+/-) terminals.

Positive +

Red Post

Purple (4Ω)

Red (8Ω)

Negative -

Black Post

No Dot

No Dot

Box Advisor
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