P315D4

15" Punch Stage-3 4-Ohm DVC Subwoofer P315D4

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Discontinued
Overview

With a two-inch excursion, the P3 15" subwoofers can definitely move your music to the next level. Add a P3 15" subwoofer to your ride and you'll never be mistaken for 'quiet' ever again!

  • Precision cast aluminum alloy basket
  • High excursion large roll surround
  • Parabolic triangular cone geometry support system
  • Embedded 16 AWG tinsel leads / dual 8 AWG spring compression wiring terminal
  • Anodized aluminum voice coil former
  • Massive double stacked magnet motor assembly
  • Linear spider
  • Removable and reversible screw concealing ring
  • 1 Year Warranty
Technologies
Magnetic Linearity
Magnetic Linearity

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

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Magnetic Linearity
Magnetic Linearity

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

Bolted Motor Assembly

Eliminates motor shifts under high SPL conditions.

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Bolted Motor Assembly

Eliminates motor shifts under high SPL conditions.

Reversible Mounting
Reversible Mounting

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

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Reversible Mounting
Reversible Mounting

Rockford Fosgate subwoofers can be mounted in either direction. A removable trim ring can be installed on the back or front side of the subwoofer frame. This gives the subwoofer a finished look regardless of mounting configuration.

Embedded DVC Tinsel Leads
Embedded DVC Tinsel Leads

Tinsel leads are stitched through the spider to prevent short circuits.

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Embedded DVC Tinsel Leads
Embedded DVC Tinsel Leads

Tinsel leads are stitched through the spider to prevent short circuits.

Triangular Support System
Triangular Support System

Produces tight, solid bass at high sound pressure levels.

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Triangular Support System
Triangular Support System

Produces tight, solid bass at high sound pressure levels.

Klippel DA1 Analyzer System
Klippel DA1 Analyzer System

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

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Klippel DA1 Analyzer System
Klippel DA1 Analyzer System

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

Anodized Aluminum Voice Coil Former
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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Anodized Aluminum Voice Coil Former
Anodized Aluminum Voice Coil Former

Rockford Fosgate subwoofers use anodized aluminum voice coil formers that provide superior heat dissipation (up to 100° at full power levels). Unlike traditional plastic substitutions, aluminum acts like a heat-sink to quickly dissipate thermal build-up on the voice coil. This keeps subwoofers cool during high SPL conditions.

Specifications
Size
15"
SPL (dB @ 1w/1m)
88
Nominal Impedance
Dual 4-Ohm
Power Handling (Watts RMS)
500 Watts RMS
1000 Watts Max
Voice Coil Diameter
2.5" aluminum
Magnet Weight (oz)
102 oz. double stacked
Speaker Connector
Dual 8 AWG compression
Mounting Depth
7.625 in.
(19.37 cm)
Shipping Weight
26.6 Lbs.
(12.1 Kg.)
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.


View Process

Wiring Wizard

Available Wiring Diagrams

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



















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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