Garage
Shop

Rockford Fosgate Punch P18S4

8" Punch Stage 1 Single 4 ohms Subwoofer

Rockford Fosgate
Shop all Rockford Fosgate
Product videos
highlight-star-icon

8" Punch Stage 1 Single 4 ohm Subwoofer • 150W RMS • 300W Peak • aluminum voice coil former • large roll surround • stamped CRS basket • linear spider • spider support ring • sensitivity: 83dB

Learn more about the p18s4

Good news and a little bad...

This item has been discontinued

But you may be interested in the newest model that's available.

09p1s48 thumbnail

Rockford Fosgate Punch P1S48 (09P1S48)

OUR PRICE: $54.99

View item

Product Highlights


8" Punch Stage 1 Single 4 ohm Subwoofer • 150W RMS • 300W Peak • aluminum voice coil former • large roll surround • stamped CRS basket • linear spider • spider support ring • sensitivity: 83dB

Description


Rockford Fosgate brand icon

Authorized dealer

  • 8" Punch Stage 1 Single 4 ohm Subwoofer
  • Anodized aluminum voice coil former
  • High excursion large roll surround
  • Linear spider
  • Precision stamped CRS basket w/ removable motor cover
  • Parabolic triangular cone geometry support system
  • Removable and reversible screw concealing ring
  • Spider support ring
  • Power Handling:
    • 150 watts RMS
    • 300 watts Peak
  • Sensitivity: 83 dB
  • Frequency Response: 40 Hz - 0.25 kHz
  • Mounting Depth: 4.125"
  • Motor Size: 26 oz. single stacked
  • 1-year SonicElectronix.com warranty

Product history:

Rockford Fosgate P1S48 thumbnail
(newest, current model)
Rockford Fosgate P18S4 thumbnail
(previous model, replaced by Rockford Fosgate Punch P1S48 (09P1S48))

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Rockford Fosgate Punch P18S4 Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Rockford Fosgate Punch P18S4 Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Rockford Fosgate Punch P18S4 Subwoofers

4 Channel Amp

Wiring Guide to Wire 4 Rockford Fosgate Punch P18S4 Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp


Best selling similar products

VCW82v3 small

NVX VCW82 Version 3 (VCW82v3)

• Peak Power: 1300 watts
• RMS Power: 650 watts
• Impedance: Dual 2 ohm
• Carbon Fiber Enhanced Non-Pressed Paper Cone
• High Roll Foam Surround with black nylon stitching
• Mount depth: 5.31"
• Sensitivity: 83 dB (1W/1m)

(12)

$169.99

List price $203.99

47KBRW8 small

Kicker 47KBRW8 ReFLEX™

• 8" ReFLEX™ Passive Radiator
• Rubber covered plastic Cone
• Rubber Surround

(1)

$49.99

List price $59.99

VCW84v3 small

NVX VCW84 Version 3 (VCW84v3)

• Peak Power: 1300 watts
• RMS Power: 650 watts
• Impedance: Dual 4 ohm
• Carbon Fiber Enhanced Non-Pressed Paper Cone
• Custom High Roll Foam Surround with black nylon stitching
• Mount depth: 5.31"
• Sensitivity: 83 dB (1W/1m)

(15)

$169.99

List price $203.99

SW-EV68D2 small

Sundown Audio E8 v.6 D2 8" (E8V6D2)

• Peak Power: 800 watts
• RMS Power: 400 watts
• Impedance: Dual 2 ohm
• Pressed Paper Cone
• Pressed Foam Surround
• Mount depth: 4.98"
• Sensitivity: 82.4 dB

$169.99

List price $203.99

8W3V3-4 small

JL Audio 8W3V3-4

• RMS Power: 250 watts
• Impedance: Single 4 ohm
• Mineral-Filled Polypropylene Cone
• Nitrile Butadiene Rubber NBR Surround
• Mount depth: 4.63"
• Sensitivity: 83.24 dB

(45)

$349.99

List price $349.99

R2-W8D2 small

Alpine R2-W8D2

• Peak Power: 1000 watts
• RMS Power: 350 watts
• Impedance: Dual 2 ohm
• Kevlar Reinforced Pulp Paper Cone
• High-Amplitude Multi-Roll (HAMR) Surround
• Mount depth: 4.56"
• Sensitivity: 83.6 dB

$239.95

List price $360.00

SW-Z8D1 small

Sundown Audio Z-8 D1 8" (Z8D1)

• Peak Power: 4000 watts
• RMS Power: 2000 watts
• Impedance: Dual 1 ohm
• Polypropylene Cone
• Mega Roll V2 Surround
• Mount depth: 9.5"
• Sensitivity: 78.24 dB

$699.99

List price $839.99

R2-W8D4 small

Alpine R2-W8D4

• Peak Power: 1000 watts
• RMS Power: 350 watts
• Impedance: Dual 4 ohm
• Kevlar Reinforced Pulp Paper Cone
• High-Amplitude Multi-Roll (HAMR) Surround
• Mount depth: 4.56"
• Sensitivity: 83.7 dB

$239.95

List price $360.00

L7S82 small

Kicker L7S82 (44L7S82)

• Peak Power: 900 watts
• RMS Power: 450 watts
• Impedance: Dual 2 ohm
• Injection Molded Polypropylene Cone
• Ribbed Santoprene Surround
• Mount depth: 4-3/4"
• Sensitivity: 82.37 dB

(1)

$175.96

List price $239.99

8W1v3-4 small

JL Audio 8W1v3-4


• RMS Power: 150 watts
• Impedance: Single 4 ohm
• Mica Injected Polypropylene - MIPP Cone
• Nitrile Butadiene Rubber NBR Surround
• Mount depth: 3.86"
• Sensitivity: 84.8 dB

(10)

$199.99

List price $199.99

Specifications & Details


Subwoofer Specifications
Subwoofer Size
8"
Peak Power Handling
300 watts
RMS Power Handling
150 watts
Voice Coil(s)
Single
Impedance (Per Voice Coil)
4 ohm
Frequency Response
40 - 250 Hz
Sensitivity
83 dB
Woofer Composition
Polypropylene
Woofer Surround
Foam
Recommended Enclosure Specifications
Minimum Sealed Box Volume
0.25 cubic feet
Maximum Sealed Box Volume
0.25 cubic feet
Minimum Ported Box Volume
0.65 cubic feet
Maximum Ported Box Volume
0.65 cubic feet
Top-Mount Depth (Mounting Depth)
4.125"
Cutout Diameter
7"

Item Details


Manufacturer:

Model Number:

P18S4

Weight:

8.00lbs

Internal SKU:

p18s4

Internal Product ID:

7656

Product and How-to Videos


  • 3Sixty3 Aftermarket Setup Wizard Tutorial
  • Car Subwoofer Size Buying Guide | What Size of Sub Should I Get?

Customer Ratings & Reviews


Rockford Fosgate Punch P18S4 thumbnail image

5 star
0%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

Sort by:

Loading...
Sorry, no reviews found


RM-1218C small

Valor RM-1218C

12" TFT-LCD Widescreen Overhead Flip-down Monitor with Built-in DVD/CD/MP3 Multimedia Player, Remote, USB, and SD Card Slots (RM1218C)

$479.99

List price $899.99

Related Searches


Save up to 10 different vehicles in your garage

Add vehicle
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.