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Description

Rockford Fosgate Punch P1S4-15

The Rockford Fosgate P1S4-15 is a 15-inch dual 4-ohm Punch P1 subwoofer designed to deliver deep, powerful, and precise bass for car audio enthusiasts. With 400W RMS and 800W Peak power handling, this subwoofer performs excellently in both sealed and ported enclosures. Its durable Kevlar-reinforced paper cone and rugged stamped steel basket ensure long-lasting performance while maintaining accurate low-frequency response. Ideal for upgrading factory systems or creating custom audio setups, the P1S4-15 provides punchy, clear, and reliable bass that enhances your overall music experience.


Features

Feature Description
Subwoofer Size 15-inch Punch P1
Voice Coils Dual 4-ohm voice coils (flexible wiring)
Power Handling (RMS) 400W
Power Handling (Peak) 800W
Cone Material Kevlar-reinforced paper cone
Enclosure Compatibility Sealed or ported enclosures
Sound Character Strong bass output

 


Specifications

Specification Description
Brand Rockford Fosgate
Model P1S4-15
Subwoofer Size 15 inches
Power Handling 400W RMS / 800W Peak
Voice Coil Dual 4-Ohm
Frequency Response 28 Hz – 250 Hz
Mounting Depth 7.0 inches (approx.)
Series Punch P1 Series

 

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Questions and Answers

Q1: Can the P1S4-15 be installed in sealed and ported boxes?
Yes, it performs well in both enclosure types.
Q2: What amplifier is recommended for this subwoofer?
An amplifier rated around 400W RMS is ideal.
Q3: Is it suitable for upgrading factory-installed systems?
Yes, it provides stronger bass than most stock systems.
Q4: How durable is the P1S4-15?
It features a Kevlar-reinforced cone and rugged basket for long-lasting performance.
Q5: Can it handle high-power SPL-style setups?
Yes, it is designed to reliably handle high power levels.

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