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Rockford Fosgate P300-12T Punch truck-style powered subwoofer with 12" sub and 300-watt amp

Item # 575P30012T

Box, sub, and amp — matched with perfection by Rockford Fosgate

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Box, sub, and amp — matched with perfection by Rockford Fosgate

19 questions - 33 answers

Item # 575P30012T

In stock
$349.99

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About the Rockford Fosgate P300-12T

Bob Bihlmayer

Rockford Fosgate power for your truck

Are you looking to add some bass to your ride without all the headaches of matching up a sub with a compatible amp and enclosure? Rockford Fosgate designed their Punch Series P300-12T powered subwoofer to give you a perfect match of enclosure, sub, and amp, so you can avoid all the complex mathematics. At only 9-1/2" deep, this slim enclosure will fit in many tight spots, so get out your tape measure and see if it's a good match for your car or truck. You'll love the powerful impact this enclosure adds to your favorite tracks, and you'll rest easy knowing that you're getting tried-and-true Rockford Fosgate performance.

Rockford Fosgate power for your truck

Are you looking to add some bass to your ride without all the headaches of matching up a sub with a compatible amp and enclosure? Rockford Fosgate designed their Punch Series P300-12T powered subwoofer to give you a perfect match of enclosure, sub, and amp, so you can avoid all the complex mathematics. At only 9-1/2" deep, this slim enclosure will fit in many tight spots, so get out your tape measure and see if it's a good match for your car or truck. You'll love the powerful impact this enclosure adds to your favorite tracks, and you'll rest easy knowing that you're getting tried-and-true Rockford Fosgate performance.

Rugged and powerful

The P300-12T comes equipped with a 12" woofer that's a perfect match for the built-in 300-watt amplifier. The sealed enclosure provides optimum sound quality, and the rugged industrial vinyl coating protects it wherever you choose to install it. You can use the low-pass crossover, phase switch, and bass boost to adjust the sub to work best in your vehicle. High- and low-level inputs allow you to connect it to any system, while the included remote knob lets you adjust bass intensity from the driver's seat. Best of all, you can pop out the "quick disconnect" power and signal connectors to remove the enclosure for some extra room when you need it.

Note: this enclosure is designed to fit behind the seat of your truck; it will not fit under the seat.

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Product highlights:

  • powered sealed subwoofer enclosure with 12" sub
  • Class D amplifier (300 watts RMS)
  • 5/8" MDF enclosure with heat-activated vinyl finish
  • remote bass-level control included
  • quick disconnect connectors for easy removal
  • intelligent auto turn on/off function
  • separate low-level and speaker-level inputs
  • variable low-pass crossover (50-200 Hz, 12 dB/octave)
  • phase switch (0°, 180°)
  • variable bass boost
  • frequency response: 20-200 Hz
  • requires 8-gauge wiring kit (sold separately)
  • 27-1/2"W x 15"H x 9-1/2"D1 x 5-3/4"D2
  • warranty: 1 year
  • MFR # P300-12T

What's in the box:

  • Powered subwoofer enclosure
  • Remote Punch Level Control (w/ mounting plate and 2 screws)
  • 16.5' Remote cable (3.5mm stereo plugs on both ends)
  • Power/ground terminal block
  • 12" Input harness (4-pin Molex - RCA)
  • 25" Strip of hook-and-loop fastener
  • 3mm Allen key
  • Four 10A ATO fuses (two installed / two spare)
  • Installation manual

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More details on the Rockford Fosgate P300-12T

Pat M.

Features & specs

General
Enclosure Type Sealed
Finish Material Vinyl covered MDF
Grille Metal-mesh
Connector Type Terminal block, Molex
Quick-disconnect Plug Yes
Bi-amp Inputs No
Woofer Size (inches) 12
Woofer Material Not given
Passive Radiator None
Width 27-1/2"
Height 15"
Depth 9-1/2"
Parts Warranty 1 Year
Labor Warranty 1 Year
Specifications
Frequency Response 20-200
Amplifier Power (RMS) 300 watts
Maximum Wattage 600 watts
Sensitivity N/A
Impedance N/A
Second Voice Coil Impedance ---
Crossover Point 50-200

Product Research

Features

Overview: The Rockford Fosgate Punch P300-12T is an all-in-one bass solution featuring a 12" woofer and a built-in 300 watt RMS amplifier in an enclosure made from 5/8" MDF. Its slim form is designed to easily fit behind seats in pickup trucks, while taking up as little usable space as possible.

Integrated Amplifier: The 12" woofer is powered by a built-in Class-D amplifier rated at 300 watts RMS/600 watts peak. The closed-loop designed ensures optimum performance of the woofer, amplifier, and enclosure system.

Quick Disconnect Power/Ground: The power, ground, and remote turn-on wires attach to a quick disconnect terminal block, so the subwoofer can be easily removed when you need more storage space. Each terminal is a set screw, with the power and ground accepting up to 4 gauge wire (minimum 8 gauge recommended) and the remote turn-on will accept up to 8 gauge wire.

Audio Inputs: The amplifier section will accept either a line level (RCA) or speaker level signal. The included 12" input harness has a Molex plug on one end and female stereo RCA jacks on the other. When using a speaker level input, the RCA jacks get cut off and spliced into the factory wires.

Input Switch: The Input Switch is set based on the incoming signal type:

  • Low-Level: Used when connecting and RCA level signal into the amp. Range is from 150mV to 6V.
  • High-Level: Used when connecting the subwoofer using a speaker-level input signal. Range is from 400mV to 12V.

Auto Turn-On: The Auto Turn-On switch offers three options:

  • REM: the amp turns on when +12 volts DC is applied to the remote terminal
  • DC Offset: the amp turns on when a 6 volt surge is detected on the signal inputs (from a speaker level source)
  • Audio: the amp turns on when an incoming audio signal is detected (can be used with line level or speaker level inputs)

Gain Control: The rotary gain control allows you to match the output level of your headunit to the input level of the powered subwoofer.

Crossover: The 12 db/oct low-pass crossover is always engaged; the crossover point is adjustable from 50 to 200 Hz.

Bass Boost: Use the rotary dial to adjust the bass boost; continuously variable from 0 to +12 dB, centered at 45 Hz.

Phase: A switch allows you to reverse the phase of the subwoofer (0°, 180°).

Protection Circuit: The P300-12T is equipped with thermal overload, over voltage, and short circuit protection. The amplifier will shut down if any of these situations is encountered.

Punch Level Control: A wired Punch Level Control is included so you can adjust the output level from the driver's seat. The remote has a bracket to mount it under the dash. The included 16-1/2' cable, with a 3.5mm stereo mini-plug on each end, connects the remote to the subwoofer. Note: The Punch Level Control measures approximately 2-3/8" wide x 1" high x 2" deep (3-1/2" deep including the knob and cable).

Dimensions: The dimensions listed in Features and Specs include the subwoofer's grille, and the power and signal wiring harnesses, which add approximately 1.0" and 1.5" respectively. The depth of just the enclosure is 8.50" at the base and 4.750" inches at the top. The width without wiring is 26.0".

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Customer Q&A

19 questions already asked

Q
How to connect the P300T to a BMW X5 E70?
willy  Mar 21, 2024
1 answer
A
Greetings Willy. For installation assistance, please contact technical support. If you purchased the P 300 from Crutchfield, feel free to contact our Tech Support team. They can walk you through the wiring to your specific vehicle. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact Rockford Fosgate at 800-669-9899.
hogan  Mar 21, 2024 (Staff)
Q
What is the difference between Powered subwoofers? Rockford Fosgate P300-12 Rockford Fosgate P300-12T
mauricio  Jan 20, 2024
1 answer
A
The only notable difference is a the different dimensions and shape of box. The P300-12T is a "truck box" design where the subwoofer is mounted on the slanted surface. The P300-12 is a traditional sub box design with a the subwoofer on a vertical surface opposite of the slant on the back of the box.
zachary  Jan 21, 2024 (Staff)
Q
Hello. I'm installing this in a 2020 chevy malibu. My question is, where do I connect the power cable? Sounds like a dumb question, but there's 2 batteries, and no normal positive connection. There's a jump start tab on the main battery, but I read on a forum that if you connect to that, the bass will cut out when you take your foot off the brake for some reason. Thanks so much in advance.
jason  Dec 01, 2023
1 answer
A
Greetings Jason. Installation, and wiring questions will need to be addressed by technical support. If you purchased the Rockford Fosgate subwoofer from Crutchfield, we emailed you a copy of your invoice, their direct number will be on that email. We provide free of charge lifetime tech support for the products purchased from us. If you purchased this elsewhere, maybe that retailer can be of some assistance. If not, you can always give Rockford a call as well.
hogan  Dec 01, 2023 (Staff)
Q
I've seen tutorials where people wire it (via the cut RCA cable) to only one speaker. Should I wire it to one speaker? Or both rear speakers?
jason  Nov 30, 2023
1 answer
A
Greetings Jason. Thank you for your question. Stereo receivers send out audio to a left and a right speaker. Sometimes there is sound coming out the right, but not the left and vice versa. If connected to lets say the left speaker, and there is not bass at the particular time, but there is on the right speaker, the sub does not play that side. Its best to connect to both sides.
hogan  Nov 30, 2023 (Staff)
Q
How to hook this up to a 2017 subaru impreza? Do I need a LOC?
donald  Nov 11, 2023
1 answer
A
Greetings Donald. Thank you for your question. This Rockford Fosgate P300-12T can take high level in by cutting off the RCAs from the 12 inch Molex plug. But you can use an LOC if you prefer.
hogan  Nov 11, 2023 (Staff)
Q
Will this work on a truck that has the start/stop? 2019 silverado.
lester  Jul 05, 2023
1 answer
A
This powered subwoofer is not designed for use with auto start/stop vehicles. It would be necessary to disable the start/stop functionality in order to properly use this subwoofer.
zachary  Jul 05, 2023 (Staff)
Q
Will this fit under the back seat of a2020 GMC 2500hd crew cab?
tony  Feb 13, 2023
1 answer
A
We do not qualify universal fit subwoofers like the Rockford Fosgate P300-12T truck-style 300-watt subwoofer in our Vehicle Guides, Tony. This fit also depends on if you have the underseat storage boxes as well, so we recommend taking some accurate measurements and comparing to the listed specs on the Rockford. Those are below: 27-1/2"Wide 15"Height 9-1/2"D1 x 5-3/4"D2 Any items that are too close to call and simply don't fit can be returned within 60-days. What I can say for sure is that the Rockford Powered subwoofer is one of the top-performers and will add a serious amount of bass to your setup!
bo  Feb 13, 2023 (Staff)
Q
I have a 2017 F150 Lariat SuperCrew (full size 4 door). It doesn't have the Sony package. Does have an 8" screen that allows CarPlay. Question is, will this fit under my backseat? and it should be compatible with the stock in dash stereo right?
chad  Oct 28, 2021
1 answer
A
You will want to contact an Advisor by phone (1-800-324-9695) or online chat to discuss compatibility with your factory system. They will be able to pull up your vehicle and see if this will integrate and fit. If it does not, then they will also be able to discuss other options with you.
kenneth  Oct 30, 2021 (Staff)
Q
How to hook up 2 of these in a truck?
adam  Apr 14, 2021
1 answer
A
I have a 2005 dodge Dakota st with an extended cab. I had one already installed then decided to get another one. I have an alpine cde 175bt. So I had to get a set of extra preamps to split 2 into 4. one was run to one and the other to the other one. Then all I had to do was run extra power wire and ground with speaker wires. On my truck, the 2 power wires are run down the driver's side. The speaker wires are run down the passenger side to keep interference down. make sure you measure carefully better than me. After I got then installed had to modify my door an extra 2 inches to make sure it fits. But sounds great if adjusted right. Now I opted for Crutchfield to make a special wiring harness to my truck well worth the money I think. when I bought mine each speaker was around 300x2 then the wiring to get the extra warranty from the manufacturer was around 65x2 the preamp splitters get the ones that were around 50x2 I think I got the others at first but a loose fit. My alpine was around 199.00 So I have over 1000.00 in mine but to me, it is well worth it. Also depending on your radio and truck, you might have to get more or fewer things?? It is not hard just plan it out ahead of time and run all your wires first. Make sure you have a very good gound.
amy  May 15, 2021
Q
How different is the sound of the T-sub box vs the standard box?
jim  Jan 12, 2021
2 answers
A
Don't understand the question.
jose  Jan 12, 2021
A
I had researched this prior to buying and basically came to the conclusion that if you have the space, go with the standard box. If going in a convertible or truck with limited space go with T-sub box. I think the standard will produce better sound honestly.
mike  Jan 12, 2021
Q
is it posible to connect it to a lexus es350 2010?
juan  Oct 08, 2020
3 answers
A
Hi Juan, thank you for your question. For information on the process and products you will need to connect a powered sub to your vehicle's stereo system, please chat with us online or by phone at 1-800-324-9695. We will be happy to go over your vehicle in further detail, and provide you with the info you will need to complete your installation.
jessica  Oct 19, 2020 (Staff)
A
If your preamp has subwoofer RCA outputs, yes.
chuck  Oct 16, 2020
A
Don't see why not. I connected it to my factory radio. Ran power cable from battery and got the audio signal from the rear speakers wires. Sounds pretty good too. Good Luck
jose  Oct 16, 2020
Q
Will this fit under the back seat of a f150 super cab?
ryan  Aug 20, 2020
3 answers
A
Hi Ryan. We sometimes have measurements available for sub box mounting locations in vehicles. Please chat with us online or by phone at 1-800-324-9695, so we can pull up the research on the specific year of your F-150, and take a look at any measurement info we may have.
jessica  Aug 30, 2020 (Staff)
A
I would think it fits, it's pretty sleek and low profile and fits in my Kia amazingly.
ryan  Aug 29, 2020
A
Nope. Half of it will stick out.
anthony  Aug 29, 2020
Q
Will a 4 gauge wiring kit work to hook this up?
devon  Jun 27, 2020
2 answers
A
I don't think you need 4 gauge.I think 8 is plenty for this unit.If you use 4 it may not fit in amp connector
lance  Jun 28, 2020
A
It should. I used 8 gauge and works great.
jose  Jun 28, 2020
Q
How do you hook up to stock radio with haste of removing head unit?
jeff  May 10, 2020
5 answers
A
Well I Am a novice when it comes to installation, but you can get a line output converter that takes the signal from speaker wire close to where your sub will be. It basically converts the signal to an RCA jack that goes to your sub. And you will also need an amp wiring kit to power the amp.
alonzo  May 28, 2020
A
If you do not want to remove the head unit (and assuming you do not already using a separate amp with low level inputs), then you can use the high-level inputs to this subwoofer. High-level inputs use the signal to the regular speakers. High level inputs are not as "clean" as low level input (due to the fact that it is an amplified signal, which always has some level of distortion and noise). This is why low level inputs are preferred. But if you just want to get it working without the hassle, then you can run wires from your existing speakers to the high-level inputs on the sub.
william  May 28, 2020
A
Got the audio signal from rear speakers
jose  May 28, 2020
A
You connect using the speaker wires thru the back speakers or door speakers
mike  May 28, 2020
A
If you purchased the product from Crutchfield, feel free to contact our Tech Support team. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer.
kristina  May 28, 2020 (Staff)
Q
What is impedance of sub? I know it's single voice coil.
jason  Feb 25, 2020
1 answer
A
I believe it was 4ohms. I picked it up for a friend and i can't remember exactly.
austin  Feb 25, 2020
Q
This looks like the amp is enclosed inside the box, where does the heat from them amp escape? Doesn't the amp overheat?
mze  Oct 26, 2019
8 answers
A
I have run this sub for a year. Never had it overheat or shut down. I am very impressed. I used to build my own sub boxes, and had to fuss around with deadening, and ports to get them sounding good. This this was perfect upon hook up. Thump and full range without the boomy resonance. I may never go back to custom boxes.
william  May 28, 2020
A
Been running the amp and speaker for 6 months. No issues with the heat from the amp. Only thing, the wrap on the box itself has cracked a little.
frank  Dec 09, 2019
A
It has a heat sinc on the side next to the plug ins.it doesn't appear to get hot
lance  Nov 08, 2019
A
Yes its inside and its a sealed box so you'd think it would overheat. I've had mine for quite a while now and it hasn't overheated once and I've put some serious bass to it.
thomas  Nov 07, 2019
A
I am not sure where the heat escapes form but mine has never over heated and I live in Texas
jaxon  Nov 07, 2019
A
I've had this box in my truck for almost a year and haven't experienced any overheating issues. overall I'm happy with it.
keith  Nov 07, 2019
A
So far no overheating
jose  Nov 07, 2019
A
I've had this subwoofer enclosure for 7months and it does not overheat. I'm not quite sure where the heat escapes from but no overheating. It's installed in a 2019 Dodge Ram truck.
mike  Nov 07, 2019
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