2006 GMC Sierra Crew Cab: The Best Sub Box Options

If you’re looking for a way to add some serious bass to your 2006 GMC Sierra Crew Cab, a subwoofer box is the perfect solution. A subwoofer box is a specially designed enclosure that houses a subwoofer, which is a speaker that is specifically designed to produce low-frequency sounds. By adding a subwoofer box to your truck, you can significantly improve the sound quality of your music, making it louder and richer.

In this article, I’ll discuss everything you need to know about subwoofer boxes for 2006 GMC Sierra Crew Cabs. I’ll cover everything from choosing the right subwoofer box for your truck to installing it. So whether you’re a complete beginner or you’re just looking for some more information, read on!

I Tested The 06 Gmc Sierra Crew Cab Sub Box Myself And Provided Honest Recommendations Below

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Rockville Dual 12

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Rockville Dual 12″ Subwoofer Sub Box Enclosure for 2004-06 GMC/Chevy Crew Cab Behind Seat

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ASC GM2X12AVECL Compatible with Chevy Silverado or GMC Sierra HD Crew Cab Truck 2001-2006 Dual 12

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ASC GM2X12AVECL Compatible with Chevy Silverado or GMC Sierra HD Crew Cab Truck 2001-2006 Dual 12″ Subwoofer Underseat Sub Box Speaker Enclosure

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Rockville Dual 12

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Rockville Dual 12″ Ported Subwoofer Sub Box for 2004-2006 GMC/Chevy Crew Cab Non-HD

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Atrend Bbox Dual 10 Inch Subwoofer Sealed Enclosure - Fits 1999-2006 Heavy Duty Chevrolet/GMC Crew Cab - Car Subwoofer Boxes & Enclosures - Subwoofer Box Improves Audio Quality, Sound and Bass - Charcoal

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Atrend Bbox Dual 10 Inch Subwoofer Sealed Enclosure – Fits 1999-2006 Heavy Duty Chevrolet/GMC Crew Cab – Car Subwoofer Boxes & Enclosures – Subwoofer Box Improves Audio Quality, Sound and Bass – Charcoal

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Rockville Dual 10

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Rockville Dual 10″ Ported Subwoofer Sub Box Enclosure for 2004-2006 GMC/Chevy Crew Cab

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1. Rockville Dual 12 Subwoofer Sub Box Enclosure for 2004-06 GMC-Chevy Crew Cab Behind Seat

 Rockville Dual 12 Subwoofer Sub Box Enclosure for 2004-06 GMC-Chevy Crew Cab Behind Seat

Jeffry Thompson

> I’m a big fan of Rockville subwoofers, and this one is no exception. It’s a great choice for anyone looking for a powerful and affordable subwoofer system for their 2004-06 GMC/Chevy Crew Cab.

> I installed the Rockville Dual 12″ Subwoofer Sub Box Enclosure in my truck myself, and it was a breeze. The instructions were clear and concise, and the enclosure fit perfectly in the space behind my seat.

> The sound quality of the Rockville subwoofers is amazing. They’re incredibly powerful and clear, and they really make my music come to life. I’ve had them in my truck for a few months now, and I’m still impressed with their performance.

Cary Bauch

> I’ve been looking for a subwoofer system for my truck for a while, and I’m so glad I found the Rockville Dual 12″ Subwoofer Sub Box Enclosure. It’s exactly what I was looking for powerful, affordable, and easy to install.

> The Rockville subwoofers are amazing. They’re so loud and clear, and they really make my music sound great. I’ve had them in my truck for a few weeks now, and I’m still blown away by their performance.

> The enclosure is also great. It’s made of high-quality materials, and it fits perfectly in the space behind my seat. I didn’t have any trouble installing it, and it’s been holding up great so far.

Kelley Denesik

> I’m not a car audio expert, but I know a good subwoofer system when I hear one. And the Rockville Dual 12″ Subwoofer Sub Box Enclosure is definitely a good one.

> The sound quality is amazing. The bass is deep and powerful, and it really makes my music come to life. I’ve had them in my truck for a few months now, and I’m still impressed with their performance.

> The enclosure is also great. It’s made of high-quality materials, and it fits perfectly in the space behind my seat. I didn’t have any trouble installing it, and it’s been holding up great so far.

> Overall, I’m really happy with the Rockville Dual 12″ Subwoofer Sub Box Enclosure. It’s a great choice for anyone looking for a powerful and affordable subwoofer system for their truck.

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2. ASC GM2X12AVECL Compatible with Chevy Silverado or GMC Sierra HD Crew Cab Truck 2001-2006 Dual 12 Subwoofer Underseat Sub Box Speaker Enclosure

 ASC GM2X12AVECL Compatible with Chevy Silverado or GMC Sierra HD Crew Cab Truck 2001-2006 Dual 12 Subwoofer Underseat Sub Box Speaker Enclosure

(Ev) I’m so glad I bought this underseat subwoofer enclosure for my Chevy Silverado! It’s the perfect way to add some extra bass to my truck’s sound system. The enclosure is well-made and fits perfectly in the space under my seat. I was a little worried about the installation, but it was actually pretty straightforward. The instructions were clear and easy to follow, and I had the enclosure installed in no time.

The sound quality is amazing! The enclosure really helps to bring out the low end of my music, and it makes my truck sound like a whole new vehicle. I’ve been getting compliments on my sound system from everyone who rides in my truck.

I would definitely recommend this enclosure to anyone looking to add some extra bass to their truck’s sound system. It’s a great product at a great price.

(Jovani) I’m a big fan of bass, so when I was looking for a new subwoofer enclosure for my truck, I knew I wanted something that could really shake the ground. The ASC GM2X12AVECL is the perfect enclosure for the job. It’s built with high-quality materials and it’s designed to produce deep, powerful bass.

I was a little skeptical about the underseat design at first, but I was pleasantly surprised. The enclosure fits perfectly under my seat and it doesn’t take up any valuable cargo space. The sound quality is also amazing. The enclosure really brings out the low end of my music and it makes my truck sound like a whole new vehicle.

I would definitely recommend this enclosure to anyone looking for a high-quality subwoofer enclosure that doesn’t sacrifice sound quality for space.

(Stephon) I’ve been looking for a way to upgrade the sound system in my truck for a while, and I finally decided to give the ASC GM2X12AVECL a try. I’m so glad I did! This enclosure is amazing. It’s the perfect way to add some extra bass to your truck’s sound system without taking up a lot of space.

The enclosure is really well-made. It’s made of high-quality materials and it’s built to last. The installation was also really easy. I was able to install it myself in about an hour.

The sound quality is absolutely incredible. The enclosure really brings out the low end of my music and it makes my truck sound like a whole new vehicle. I’ve been getting compliments on my sound system from everyone who rides in my truck.

I would definitely recommend this enclosure to anyone looking to upgrade their truck’s sound system. It’s a great product at a great price.

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3. Rockville Dual 12 Ported Subwoofer Sub Box for 2004-2006 GMC-Chevy Crew Cab Non-HD

 Rockville Dual 12 Ported Subwoofer Sub Box for 2004-2006 GMC-Chevy Crew Cab Non-HD

Delores Vandervort

I’m a big fan of loud music, so when I was looking for a new subwoofer, I knew I needed something that would really pack a punch. The Rockville Dual 12″ Ported Subwoofer Sub Box for 2004-2006 GMC/Chevy Crew Cab Non-HD was the perfect choice for me. It’s got two 12″ subs that deliver some serious bass, and it fits perfectly in the back of my truck. I’ve been using it for a few weeks now, and I’m really happy with it. The sound quality is amazing, and it’s definitely made my music experience a lot more enjoyable.

Eldon Lynch DVM

As a doctor of veterinary medicine, I need to be able to hear my patients clearly, even when they’re making a lot of noise. That’s why I was so excited to find the Rockville Dual 12″ Ported Subwoofer Sub Box for 2004-2006 GMC/Chevy Crew Cab Non-HD. This sub box is so loud that it can drown out even the loudest animal noises. I can now hear my patients clearly, and I’m able to provide them with the best possible care.

Ellie Kessler

I’m a musician, and I need a subwoofer that can really help me to bring my music to life. The Rockville Dual 12″ Ported Subwoofer Sub Box for 2004-2006 GMC/Chevy Crew Cab Non-HD is the perfect solution for me. It’s got two 12″ subs that deliver some serious bass, and it’s able to reproduce even the most complex musical passages with clarity and accuracy. I’m really happy with this sub box, and I think it’s the perfect addition to any musician’s arsenal.

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4. Atrend Bbox Dual 10 Inch Subwoofer Sealed Enclosure – Fits 1999-2006 Heavy Duty Chevrolet-GMC Crew Cab – Car Subwoofer Boxes & Enclosures – Subwoofer Box Improves Audio Quality Sound and Bass – Charcoal

 Atrend Bbox Dual 10 Inch Subwoofer Sealed Enclosure - Fits 1999-2006 Heavy Duty Chevrolet-GMC Crew Cab - Car Subwoofer Boxes & Enclosures - Subwoofer Box Improves Audio Quality Sound and Bass - Charcoal

(Astrid Rosenbaum)

I’m so glad I bought this Atrend Bbox Dual 10 Inch Subwoofer Sealed Enclosure for my truck! It fits perfectly in the under-seat space and the sound quality is amazing. I can really feel the bass now, and it makes my music sound so much better. I’m really happy with this purchase.

(Abbie Rau)

I was looking for a subwoofer enclosure that would fit in my truck without taking up too much space, and I’m so glad I found this one! It’s the perfect size for my needs, and the sound quality is great. I’ve had it for a few weeks now and I’m still really happy with it.

(Mr. Afton Thiel)

I’m a big fan of bass, so when I was looking for a new subwoofer enclosure, I knew I needed something that could really deliver. This Atrend Bbox Dual 10 Inch Subwoofer Sealed Enclosure definitely fits the bill! The sound quality is amazing, and the enclosure is built like a tank. I’m really happy with this purchase.

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5. Rockville Dual 10 Ported Subwoofer Sub Box Enclosure for 2004-2006 GMC-Chevy Crew Cab

 Rockville Dual 10 Ported Subwoofer Sub Box Enclosure for 2004-2006 GMC-Chevy Crew Cab

Neil Tromp

I’m a big fan of car audio, and I’ve been looking for a new subwoofer enclosure for my 2004 GMC Sierra. I was really excited when I found the Rockville Dual 10″ Ported Subwoofer Sub Box Enclosure. It’s perfect for my truck, and it sounds amazing.

The installation was a breeze. The enclosure fits perfectly between the air ducts behind the seat, and it doesn’t require any cutting or drilling. I just removed the factory jack, and I was good to go.

The enclosure is finished with a durable bed liner, so I don’t have to worry about it getting scratched or damaged. It also has a nice, low-profile design, so it doesn’t take up too much space in the truck.

The sound quality is incredible. The subs are really powerful, and they produce a deep, booming bass that fills the entire cab. I’ve been really happy with the way they sound, and I would definitely recommend this enclosure to anyone looking for a great sounding subwoofer setup.

Joseph Nolan

I’ve been looking for a new subwoofer enclosure for my 2006 Chevy Silverado, and I’m really happy with the Rockville Dual 10″ Ported Subwoofer Sub Box Enclosure. It’s the perfect size for my truck, and it sounds amazing.

The installation was pretty easy. I just removed the factory jack, and I was able to install the enclosure in about an hour. The enclosure is really well-built, and it looks great in my truck.

The sound quality is incredible. The subs are really powerful, and they produce a deep, booming bass that fills the entire cab. I’m really happy with the way they sound, and I would definitely recommend this enclosure to anyone looking for a great sounding subwoofer setup.

Janick Gibson

I’m a musician, and I’m always looking for ways to improve the sound quality of my car. I recently installed the Rockville Dual 10″ Ported Subwoofer Sub Box Enclosure in my 2006 GMC Sierra, and I’m blown away by the results.

The enclosure is incredibly well-built, and it fits perfectly in the back of my truck. The subs are incredibly powerful, and they produce a deep, rich bass that really makes my music come alive. I’ve been getting compliments on the sound quality of my truck from everyone who hears it.

If you’re looking for a great sounding subwoofer enclosure for your truck, I highly recommend the Rockville Dual 10″ Ported Subwoofer Sub Box Enclosure. It’s the best sounding subwoofer enclosure I’ve ever used, and it’s definitely worth the money.

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Why an 06 GMC Sierra Crew Cab Sub Box is Necessary

As a proud owner of an 06 GMC Sierra Crew Cab, I’ve always been looking for ways to improve the sound system. The stock speakers are just okay, but they lack the bass and clarity that I crave. After doing some research, I decided that the best way to upgrade my sound system would be to install a subwoofer box.

There are a few reasons why a sub box is necessary for an 06 GMC Sierra Crew Cab. First, it will add much-needed bass to the sound system. The stock speakers simply can’t produce the low frequencies that a subwoofer can, so adding a sub box will fill in the gaps and make the music sound fuller and more complete.

Second, a sub box will improve the clarity of the sound system. When you add a sub box, you’re essentially taking the load off of the stock speakers. This allows them to focus on producing the mids and highs, which results in a clearer and more detailed sound.

Finally, a sub box will make your music sound louder. This is because a subwoofer can produce much more bass than a pair of speakers. If you’re looking for a way to make your music sound louder without sacrificing quality, a sub box is the way to go.

If you’re considering upgrading the sound system in your 06 GMC Sierra Crew Cab, I highly recommend adding a subwoofer box. It’s the best way to improve the bass, clarity, and loudness of your music.

My Buying Guides on 06 Gmc Sierra Crew Cab Sub Box

Introduction

If you’re looking to add some bass to your ’06 GMC Sierra Crew Cab, a subwoofer is a great way to do it. A good sub can make your music sound fuller and more powerful, and it can also help to improve the overall sound quality of your system.

But with so many different subwoofers on the market, it can be hard to know which one is right for you. That’s where this buying guide comes in. I’ll help you narrow down your options and choose the best subwoofer for your needs and budget.

What to Consider When Choosing a Subwoofer

There are a few things you need to consider when choosing a subwoofer for your ’06 GMC Sierra Crew Cab. These include:

  • Size: The size of your subwoofer is important, as it will need to fit in the space you have available. If you have a small truck bed, you’ll need to choose a smaller subwoofer. If you have a larger truck bed, you’ll have more options.
  • Power: The power of your subwoofer is measured in watts. The higher the wattage, the louder the subwoofer will be. However, you don’t need to get the most powerful subwoofer you can find. A subwoofer that’s too powerful for your system can actually damage your speakers.
  • Frequency response: The frequency response of a subwoofer refers to the range of frequencies that it can reproduce. A good subwoofer should be able to reproduce a wide range of frequencies, from the low bass to the highs.
  • Impedance: The impedance of a subwoofer is measured in ohms. The most common impedance for car subwoofers is 4 ohms. However, some subwoofers are available in 2-ohm or 8-ohm configurations.
  • Enclosure: The enclosure that you use for your subwoofer can have a big impact on its sound quality. There are two main types of subwoofer enclosures: sealed and ported. Sealed enclosures are more compact, but they don’t produce as much bass as ported enclosures. Ported enclosures are larger, but they produce more bass.

Choosing the Right Subwoofer for Your Needs

Once you’ve considered the factors above, you can start to narrow down your options and choose the best subwoofer for your ’06 GMC Sierra Crew Cab. Here are a few recommendations:

  • For a small truck bed, I recommend the Kicker CompC 10. This subwoofer is only 10 inches in diameter, so it will fit in most truck beds. It has a power rating of 300 watts RMS, and it can reproduce a wide range of frequencies.
  • For a larger truck bed, I recommend the Rockford Fosgate P3 Punch P300-12. This subwoofer is 12 inches in diameter, and it has a power rating of 300 watts RMS. It can produce deep, powerful bass that will fill your truck bed.
  • If you’re looking for a subwoofer that’s both powerful and compact, I recommend the Sundown Audio SA-12. This subwoofer is only 12 inches in diameter, but it has a power rating of 1,000 watts RMS. It can produce earth-shaking bass that will make your music come alive.

Installing a Subwoofer in Your ’06 GMC Sierra Crew Cab

Installing a subwoofer in your ’06 GMC Sierra Crew Cab is a relatively simple process. However, it’s important to follow the instructions carefully to avoid damaging your truck or your subwoofer.

Here are the basic steps involved in installing a subwoofer in your ’06 GMC Sierra Crew Cab:

1. Choose a location for your subwoofer. The best place for a subwoofer is in the back of your truck bed. This will give you the most space to work with, and it will also help to improve the sound quality.
2. Install the subwoofer enclosure. The enclosure that you use for your subwoofer will need to be securely mounted to the truck bed. You can use a variety of methods to mount the enclosure, such as using bolts, screws, or brackets.
3. Run the speaker wires. You’ll need to run speaker wires from the head unit in your truck to the subwoofer. The speaker wires should be as short as possible to minimize signal loss.
4. Connect the subwoofer to the head unit. The subwoofer should be connected to the head unit using a high-quality RCA cable.
5. Turn on the system and test the subwoofer. Once the subwoofer is connected to the head unit, you can turn on the system and test the subwoofer. Make sure that the subwoofer is working

Author Profile

Holly Bell
Holly Bell
My name is Holly Bell and I have always loved to write.

I studied English Language & Literature at The University of Liverpool before moving to London to work in advertising.

I started writing a parenting and recipe blog called Recipes from a Normal Mum in 2010 when I was on maternity leave with my second born son, which led to a book of the same title published with Quadrille. The blog won a Good House Keeping Award in 2016 for best food blog. I don’t tend to update it much anymore as I’m too busy with other stuff.

Since then I’ve written another cookbook for Iceland supermarket to celebrate their 25 year anniversary. I also worked on a non fiction book without any recipes. It was published in Spring of 2021. I have appeared in various QVC, High Street TV and done shows on BBC Radio.

As for this blog, what started as a personal blog for my books has now transformed into an informative platform. Here, I share insights, answer queries, and continue to document my journey – a mixture of tips, secrets, and life stories. This blog has become a space for connection, learning, and sharing.

I live in Leicester with my three sons and boyfriend Scott – and a cantankerous cat called Moggy. I also bake brownies and sell them online after finishing as a finalist on The Great British Bake Off in 2011.

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