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Rockford Fosgate Punch P112S4

Single 4 ohms 12" Punch Stage 1 Subwoofer

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Rockford Fosgate Punch P112S4

Single 4 ohms 12" Punch Stage 1 Subwoofer

$49.99

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  • 12" Punch Stage 1 Single 4 ohms 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: 86 dB
  • Mounting Depth: 5.6875"
  • Motor Size: 38 oz. single stacked

Subwoofer Specifications

Subwoofer Series
Each subwoofer manufactured is part of a series. This is the name of the subwoofer's series.
Subwoofer Size
Refers to the diameter of the subwoofer, measured in inches.
12"
Peak Power Handling
Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements. The Peak power handling specification is typically rated per speaker unless otherwise noted.
300 watts
RMS Power Handling
The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.
150 watts
Voice Coil(s)
Dual voice coil subs have more wiring flexibility than single voice coils subs; however, single voice coil subwoofers provide easier hookup options for wiring multiple subwoofers in parallel or series. You may also run a dual voice coil (DVC) sub in parallel, series, or combination. A quad voice coil has four voice coils and is equal to two dual voice coil subwoofers as far as wiring goes.
Single
Impedance (Per Voice Coil)
The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
4 ohms
Voice Coil Diameter
Diameter of voice coil, usually measured in inches.
Frequency Response
The range of frequencies the speaker will reproduce (lowest frequency to the highest). Bigger is better, meaning the wider the range, the better. The optimal range is 20 - 20,000 Hz (which is the range of human hearing).
20 - 200 Hz
Sensitivity
An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
 
Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".
86 dB
Subwoofer Design
This is the design of the subwoofer or the opening of the subwoofer enclosure. Each design has it's own benefits, whether it is a square, circle, or oval.

Round/Circle: This is the typical and common subwoofer design. They have a round cone and are a circle in design.

Square: These woofers are able to achieve a greater cone area in a smaller space. Because of the greater surface area, some square subwoofers will be louder than a round subwoofer of the same size.

Main Cone Color
This is the color of the speaker's or subwoofer's cone.
Woofer Surround
A speakers surround is part of the suspension system. The surround protects the cone and prevents it from being displaced as it flexes out from the basket. It is usually made of a durable material like treated foam or rubber in order to withstand the strenuous job of producing bass frequencies.
Foam
Magnet Structure
Defines the overall structure of the subwoofers magnet.
Subwoofer Grille
Most subwoofers are able to accommodate a universal grille; however, some subs include a grille and others have a specific, optional grille available for purchase separately. If "yes", then the subwoofer includes a grille. If "optional (sold separately)" the matching grille will need to be purchased in addition to the sub.
Re-Cone Kit Available
Some higher end subwoofers have replaceable cone assemblies. In case of a blown woofer, a recone kit allows for a simple replacement, as opposed to purchasing an entire new subwoofer.

Recommended Enclosure Specifications

Recommended Enclosure Type
This is the recommended type of enclosure that the subwoofer should be installed into. Some subwoofers are specially designed for particular enclosures.

Sealed: These enclosures completely enclose the air inside the box. These boxes produce a tight bass.

Ported/Vented: These enclosures have a slot of air to escape from the box. The result is a sound that has more "boom".

Bandpass: These are a combination of both sealed and ported enclosures. They can be very efficient, but require tuning for the best response.

Minimum Sealed Box Volume
This value indicates the minimum sealed box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
Optimum Sealed Box Volume
This value indicates the ideal sealed box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
Maximum Sealed Box Volume
This value indicates the maximum sealed box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
Minimum Ported Box Volume
This value indicates the minimum ported box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
Optimum Ported Box Volume
This value indicates the ideal ported box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
Maximum Ported Box Volume
This value indicates the maximum ported box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
Top-Mount Depth
The depth when installed on top of the mounting surface. Measured from the bottom of the speaker's magnet to the bottom of the mounting holes on the rim of the speaker.
5.6875"
Cutout Diameter
The actual diameter of the hole you will need to cut out if you are creating a new mounting location for this speaker, or if you are mounting a subwoofer in a box.
11"
Shallow Mount Installation
This means that the subwoofer/speaker is designed to be installed in areas that do not have a lot of space. Shallow mount subwoofers are typically found under a seat or behind the seat in some trucks.

Shallow mount speakers will typically have a mounting depth of 2" or less, while shallow mount subwoofers will typically have a mounting depth of 3" or less.

Electromechanical Parameters

Free-Air Resonance (Fs)
The free-air resonance frequency of the subwoofer, measured in Hz. At this frequency the weight of the moving parts is perfectly balanced with the subwoofers suspension system.
Equivalent Compliance (Vas)
This is the amount of air that has the same stiffness as the subwoofers suspension. The greater the rating, the lower the stiffness and larger recommended enclosure. It is measured in Liters.
Total Speaker Q Value (Qts)
This is the subwoofers relative damping (Q) at the resonance frequency (Fs), including all dimensionless losses. Essentially, a high Qts value (closer to 1.0) means the subwoofer is great for sealed enclosures and a low Qts value (closer to 0) means the woofer is great in vented enclosures. A Qts of around 0.45 means the woofer will work decently in either enclosure type.
Electrical Q Value (Qes)
The subwoofers relative damping (Q) at the resonance frequency (Fs), including electrical losses. Also called the mechanical damping of the subwoofer. The unitless measurement usually varies from 0.5 – 10.
Electrical Resistance of Voice Coil (Re)
Amount of DC resistance of the subwoofer when measured with an ohm meter. Typically, this will read less than the impedance rating of the subwoofer.
Mechanical Q Value (Qms)
This is the subwoofers relative damping (Q) at the resonance frequency (Fs), including mechanical losses. Also called the mechanical damping of the subwoofer. This unitless measurement usually varies from 0.5 – 10.
Efficiency Bandwidth Product (EBP)
This number represents the trade off between having an efficient woofer and one with a wide bandwidth. To calculate this number, take the Fs and divide it by the Qes. If the number is below 50, the woofer is designed for a sealed enclosure only. If it's between 50-100 it can be used in either. Lastly, if it's greater than 100 it's designed for vented enclosures.

Specials with this Item

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Warranty and Return Policy

Parts Warranty Duration
Not warranted
Labor Warranty Duration
Not warranted
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
40%
4 Star
30%
3 Star
10%
2 Star
20%
1 Star
0%

Average Attribution Rating

Durability
3.9
Value
4.0
Features
3.5
Design
4.4
Usability
4.6
kevin

Branson, MO

Overall
Durability
Value
Features
Design
Usability

February 25, 2006

this is a good sub for the price, but it does distort i would recommend spending a little more cash for something better.

5 of 6 found this helpful

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Eric

Castro Valley, CA

Overall
Durability
Value
Features
Design
Usability
decent

February 9, 2006

Bought one of these at BestBuy for 90 bux. It worked pretty well for a beginner system.

5 of 6 found this helpful

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tyler

lowell, MI

Overall
Durability
Value
Features
Design
Usability
cheap price cheap product

October 8, 2005

Yeah i know Rockford Fosgate is an excellent brand name in car audio but this subs doesnt really sound great at all. go with some cheap pheonix gold or audiobahns. maybe more dough, but you get way more sound and higher quality.

5 of 6 found this helpful

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Dustin

Trenton, MI

Overall
Durability
Value
Features
Design
Usability
crazy

August 16, 2007

a friend has 2 of these subs with an infinity amp, and it pounds. bass is really tight and low. this is a great buy for the price. if i had room in my truck i would get these subwoofers.

4 of 5 found this helpful

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Landon

Springfield, MN

Overall
Durability
Value
Features
Design
Usability
Great Subs

September 15, 2006

Had one of these wired to a sony amp just so i could have a little more bass in my car for a budget. i was very surprised that the one little sub in a bandpass box made my car bump more than i expected. very good sound with little distoration. unfortunatly my amp blew out but thats what you get for buying sony amps from walmart.

4 of 5 found this helpful

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William

Clarion, PA

Overall
Durability
Value
Features
Design
Usability
Great Subs

April 26, 2006

Wire these subs to a P4002 bridged and these babys rock. bounce anything. i get looks from everyone, and got a ticket for disturbing the peace...lol

4 of 5 found this helpful

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matt

Manchester, TN

Overall
Durability
Value
Features
Design
Usability
Great pound for less

February 28, 2006

A guy I work with has two of these in small sealed box bein pushed by the Volfenhag 2000 watt amp featured on this site... I was really surprised at what these could do... I tried RF a while back and I didn't like em... I may give them another chance now...

4 of 5 found this helpful

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steve

Scranton, PA

Overall
Durability
Value
Features
Design
Usability
Wow

July 13, 2007

Wow im very surprised. these subs thump.i have them in my bedroom in three way sony sealed speaker boxes,runnin through a 2 channel gemini amp at 600 watts per channel at 4 ohms.they have very high excursion. i love them.i had infinity reference series 1242 1200 watts dvc and they didn't thump as hard.

3 of 4 found this helpful

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Seth

Luling, LA

Overall
Durability
Value
Features
Design
Usability
Not Good

October 26, 2005

I have one of these subs in a custom built box i built with the exact spects and airspace Rockford recommends, and it still sounds bad. These subs arent loud at all and cant handle a lot of watts. You are better off spending a little more money and getting the stage 2 subwoofers. Those sound a lot better and hit a lot harder.

3 of 4 found this helpful

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Andy

Lexington, KY

Overall
Durability
Value
Features
Design
Usability
Not so good

March 30, 2005

There are alot better subs out there that are cheaper and better sounding than this...They dont sound as clear as say an RFHE2 would, and they are more expensive. It's not any better than some of the cheaper subs, your'e just paying for the new look. Ive heard these subs in numerous places, but ive heard cheaper sound better. Go with a RFHE2, theyre really good subs.

3 of 5 found this helpful

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Accessory Tools and Products

Accessories added

NVX 25 ft. of True Spec 12 Gauge Speaker Wire

100% OFC wire with EnvyFlex metallic jacket insulates and protects against damage from extreme conditions.

Your Price $39.99

25 ft. of Streetwires 12 Gauge Speaker Cable

You'll need speaker wire to hook up that new subwoofer!

Your Price $37.85

Belva 23 ft. of 12 Gauge Speaker Wire

Ultra-flexible PVC blended jacket for easy installation.

Your Price $14.99

Dynamat Sound Dampening Trunk Kit

Did you know sound dampening will reduce those annoying rattles and even increase your SPL?

Your Price $94.95

2" Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

Universal rubber roller to make it easy to install sound dampening.

Your Price $7.99

Car Stereo and Speaker Installation Tool Kit

Includes Test Light, Crimp/Splice Tool, Multi-bit Screwdriver and more.

Your Price $18.99

Cordless Multi-Functional Heat Tool Soldering Iron Kit

Continuous working lock allows you to work without holding down trigger.

Your Price $74.99

1mm All Purpose Solder

Solder is all purpose for use on most projects where solder is needed.

Your Price $7.99

12 oz. Can of Adhesive Spray

Spray adhesive used for adhering carpet to subwoofer boxes without bubbles.

Your Price $8.99

Spring Post Terminal Cup

Makes adding a spring post terminal to an enclosure simple! Banana clip ready!

Your Price $3.99

Gold Plated Dual Terminal Banana Plug Connector

Enables an expandable, secure connection accepting up to 8 gauge wire.

Your Price $1.99

Scosche SPL Meter

Monitor the noise level of your new car audio system with this SPL meter measuring from 60-135 dB.

Your Price $21.99

1 Rockford Fosgate Punch P112S4 Subwoofer

Mono Amp

2 Channel Amp - Bridged

2 Rockford Fosgate Punch P112S4 Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

3 Rockford Fosgate Punch P112S4 Subwoofers

4 Channel Amp

4 Rockford Fosgate Punch P112S4 Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp

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Product Summary

Manufacturer

Model Number

P112S4

Weight

12.00lbs

Internal SKU

p112s4

Internal Product ID

2528

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Rockford Fosgate Punch P112S4

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