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Rockford Fosgate Punch P1S4-15 Punch P1 15" 4-ohm subwoofer

Item # 575P1S4152

Rockford Fosgate showcases their fanatical commitment to sonic excellence in the Punch Series of speakers, amps,...

Rockford Fosgate showcases their fanatical commitment to sonic excellence in the Punch Series of speakers, amps,...

4 questions - 6 answers

Item # 575P1S4152

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$159.99 -$18.64 Outlet savings
$141.35 each

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About the Rockford Fosgate Punch P1S4-15

Jo Greene
Rockford Fosgate showcases their fanatical commitment to sonic excellence in the Punch Series of speakers, amps, and subs. If you like to listen to potent, powerful music — and feel it too — Punch components will give you impressive sound that'll stand out in a crowd.

Rockford Fosgate showcases their fanatical commitment to sonic excellence in the Punch Series of speakers, amps, and subs. If you like to listen to potent, powerful music — and feel it too — Punch components will give you impressive sound that'll stand out in a crowd.

Engineers at Rockford Fosgate designed the P1S4-15 15" subwoofer to dish out the kind of powerful low end you crave in your ride. Its responsive paper cone is reinforced with the same Kevlar® fibers used in bulletproof vests so you get the best of both worlds — warm bass that's exceptionally hard-hitting. Rockford Fosgate uses a new technique to attach the oversized rubber surround to the cone that increases available cone area up to 25%, so this sub can push more air for even bigger bass.

The P1S4-15 sub features an extended pole piece and bumped backplate that leaves more room for heavy excursion, so it'll hit deeper lows without "bottoming out." This sub works equally well in a sealed or ported enclosure, so you can choose the kind of bass you want for your system.

Subwoofer Wiring Diagrams

To see sample wiring diagrams for all common subwoofer/amplifier combinations, check out this informative article.

READ LESS

Product highlights:

  • 15" 4-ohm subwoofer
  • Kevlar® reinforced paper cone
  • nitrile butadiene rubber (NBR) surround
  • hybrid StampCast basket provides strength while minimizing weight and resonance
  • Vertical Attach Surround Technique (VAST™) increases cone area
  • power range: 50-250 watts RMS (500 watts peak power)
  • frequency response: 23-250 Hz
  • sensitivity: 87.5 dB
  • top-mount depth: 7"
  • sealed box volume: 1.3-3.5 cubic feet
  • ported box volume: 2.66 cubic feet
  • grille not included
  • warranty: 1 year
  • MFR # P1S4-15

What's in the box:

  • One 15" SVC 4-ohm subwoofer
  • Trim ring
  • Eight 1-1/8" Allen head screws
  • 4mm Allen head bit
  • Installation/Operation manual (English/ French/ Spanish/ German)

Scratch & Dent items may be missing non-essential accessories. In some cases the manufacturer's accessories have been replaced with generic equivalents.

See the difference between "Open Box" and "Scratch & Dent" Outlet items

Customer reviews for Rockford Fosgate Punch P1S4-15

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More details on the Rockford Fosgate Punch P1S4-15

Pat M.

Product Research

Features
Enclosure Compatibility

Features

Overview: The Rockford Fosgate Punch P1S4-15 is a 15-inch subwoofer with a single 4Ω voice coil. The sub features a StampCast steel frame, quick-release compression terminals, a Kevlar fiber reinforced paper cone, and NBR surround (Nitrile Butadiene Rubber). An anodized aluminum voice coil former and spider venting help keep the subwoofer cool.

Steel Basket: The P1S4-15 subwoofer features a StampCast steel basket for added rigidity.

Compression Terminals: The P1S4-15 features spring post terminals which accommodate speaker wire up to 10 gauge.

CEA-2031 Compliant: Power handling on the P1S4-15 subwoofer conforms to CEA-2031 industry standards. This means the subwoofer has the capacity to handle power under continuous demand, not instantaneous power handling, that over time, can damage voice coils.

FlexFit Basket: The Flex Fit frame utilizes slots (where possible) instead of single screw sized holes; allowing slight adjustment of the speaker when mounted.

Trim Ring: To improve the cosmetic look, a decorative trim ring is included that mounts over the flange of the woofer. When using the PVC trim ring the woofer is first mounted with four screws, then the ring is placed on top of the woofer, aligning the final four holes of the woofer with ring. The other four screws are used for these holes to mount the ring and woofer to the enclosure. The trim ring increases the mounting height of the woofer to 7/8 of an inch.

Enclosure Compatibility

Sealed Box: Rockford recommends a sealed enclosure with an optimum internal volume of 1.58 cubic feet (from 1.3 to 3.5 cubic feet is acceptable). Sealed enclosures provide the most control over a woofer, will handle a lot of power, and provide accurate sonic reproduction, making them suitable to all types of music.

Ported Box: Rockford recommends a ported enclosure with an internal volume of 2.66 cubic feet using one 4" diameter x 8" long port; this yields a tuning frequency of 34.4 Hz. Ported (or vented) enclosures typically provide better overall efficiency than sealed so they are suitable for use with smaller amplifiers, giving you more bass output from less power. However, this efficiency comes at the expense of very low frequency output (below 34 Hz).

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Customer Q&A

4 questions already asked

Q
would i be able to run two of these subs with two soundstream amps? a 720 and 880?
noah  Dec 12, 2017
2 answers
A
i have them both wired to one amp that pushes 250 watts rms each @ 2 ohms and it sounds great, i have the rockford fosgate R500X1D amp
luke  Dec 15, 2017
A
would use the amp that would be the closest in rms power of 75% to 150% of the 250 Watts rms that Rockford Fosgate recommended. Make sure that you wire them correctly for the amp you choose. I am not familiar with those brand amplifiers so that is the proper advice in your situation. It will be easier for you to adjust your gains and crossover frequencies by running 1 amp. Hope I helped!
stacy  Dec 12, 2017
Q
Ported or sealed? And what is the recommended port size?
connor  Sep 08, 2017
1 answer
A
This subwoofer can work in both box types. It needs 1.3-3.5 (1.58 is ideal) cubic feet in a sealed box or 2.66 cubic feet for a ported box. I recommend calling an advisor on 1-800-324-9695 if you need help choosing between these two box types. My Bio: http://www.crutchfield.com/Support/Bio.aspx?bio=101
jason  Sep 11, 2017 (Staff)
Q
Who many hours of play time does this speakers need 2 get broke in?
albert  May 29, 2016
2 answers
A
Honestly if your systems is wired correctly and you have your amp settings correct 3-5 hours
cole  May 31, 2016
A
I had mine in my truck for around 3 weeks only running 300 watts to it and it didn't break in from that and the reason it wasn't in there longer is because the thing blew.
ian  May 30, 2016

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