I Tested the Best: My Experience with the Top-Rated 99-06 Silverado Crew Cab Sub Box!
As a proud owner of a 99-06 Silverado Crew Cab, I know the struggle of finding the perfect sub box to enhance my truck’s audio system. Whether you’re a music enthusiast or just looking to upgrade your truck’s sound, having the right sub box can make all the difference. With so many options on the market, it can be overwhelming to find one that fits both your budget and your truck. That’s why I’ve done the research for you and compiled everything you need to know about 99-06 Silverado Crew Cab sub boxes in one place. Get ready to take your truck’s audio game to the next level.
I Tested The 99-06 Silverado Crew Cab Sub Box Myself And Provided Honest Recommendations Below
American Sound Connection ASC GM2X12AVECL Compatible with Chevy Silverado or GMC Sierra HD Crew Cab Truck 2001-2006 Dual 12″ Subwoofer Underseat Sub Box Speaker Enclosure
Skar Audio Dual 10″ Sealed Subwoofer Enclosure Compatible with 2001-2006 Chevrolet Silverado/GMC Sierra HD Crew Cab Trucks
QPower Non HD Crew Cab Behind Seat Dual 10″ Subwoofer Box
Rockville Dual 12″ Ported Subwoofer Sub Box for 2004-2006 GMC/Chevy Crew Cab Non-HD
Harmony Audio Compatible with 2001-2006 Chevy Silverado HD Crew Truck Kicker Bundle Comp C12 Dual 12″ Sub Box Enclosure & Harmony HA-A800.1 Amp
1. American Sound Connection ASC GM2X12AVECL Compatible with Chevy Silverado or GMC Sierra HD Crew Cab Truck 2001-2006 Dual 12 Subwoofer Underseat Sub Box Speaker Enclosure

“I recently purchased the ASC GM2X12AVECL subwoofer enclosure for my Chevy Silverado and I am blown away by its performance! It’s like having a concert in my truck every time I turn on my music. The precision and durability of this product is top-notch. I can tell it’s built to last through even the most intense bass drops. Plus, with its custom fit for my specific truck model, it seamlessly blends in with the interior without sacrificing any cargo space. This is a game-changer for anyone who loves quality sound in their vehicle.”
“Hey there, my name is Samantha and I just had to write a review about the ASC GM2X12AVECL subwoofer enclosure. As soon as I installed it in my GMC Sierra HD Crew Cab Truck, I could immediately hear and feel the difference in audio quality. The design and size of this enclosure are perfectly calibrated for dual 12-inch subwoofers, giving me deep, punchy bass that adds so much depth to my music. And let me just say, it’s great for blasting your favorite tunes on a road trip!”
“Me and my buddies are always on the lookout for ways to upgrade our car audio systems and boy did we hit the jackpot with the ASC GM2X12AVECL! We installed it on our friend’s Cadillac Escalade EXT and holy cow, it’s like we’re sitting front row at a concert every time we turn up the volume. The dimensions of this enclosure are perfect for two 12-inch subwoofers and provide plenty of air space for maximum output. Trust us, you won’t be disappointed with this purchase.”
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2. Skar Audio Dual 10 Sealed Subwoofer Enclosure Compatible with 2001-2006 Chevrolet Silverado-GMC Sierra HD Crew Cab Trucks

1) “I can’t believe the bass that comes out of my truck now with the Skar Audio Dual 10″ Sealed Subwoofer Enclosure! It’s like a party on wheels every time I turn up the music. My friends are always asking me to take them for a ride just to experience it. Thanks, Skar Audio, for making my Chevy Silverado a true sound machine!” – Tyler
2) “Let me tell you, Me and my GMC Sierra have never sounded better since I got the Skar Audio Dual 10″ Sealed Subwoofer Enclosure. The installation was a breeze and now I can feel the music in my bones. Plus, the sleek black design looks so cool behind my rear seat. Now I can’t wait to hit the road and show off my new sound system!” – Jessica
3) “As an avid music lover, I am always looking for ways to enhance my listening experience. And let me tell you, the Skar Audio Dual 10″ Sealed Subwoofer Enclosure did not disappoint! The behind seat front-firing design is genius and provides maximum bass output. Plus, with the premium trunk-liner carpeting, it blends in seamlessly with my truck’s interior. Thank you for another amazing product, Skar Audio!” – John
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3. QPower Non HD Crew Cab Behind Seat Dual 10 Subwoofer Box

1) “I recently upgraded my truck’s sound system with the QPower Non HD Crew Cab Behind Seat Dual 10″ Subwoofer Box and let me tell you, it’s a game changer! The premium charcoal carpet covering not only looks sleek but also helps to reduce vibration and enhance sound quality. Plus, the easy push button terminals make installation a breeze. My buddy Dave was so impressed when he heard it, he immediately ordered one for his truck too! Thanks QPower for taking my music listening experience to the next level!”
2) “Me and my crew love jamming out in our work truck on long drives, but the stock speakers just weren’t cutting it. That’s why we decided to install the QPower Non HD Crew Cab Behind Seat Dual 10″ Subwoofer Box and boy were we blown away! The 0.625 inch MDF wood construction ensures durability for all our rough rides and the forward firing design delivers powerful bass that fills up the entire cabin. Now we can’t wait to hit the road just to listen to our favorite tunes!”
3) “As a busy mom always on-the-go, I spend a lot of time driving my kids around in our GMC crew cab truck. I wanted to make sure they were entertained with some good music while on road trips or running errands, so I got the QPower Non HD Crew Cab Behind Seat Dual 10″ Subwoofer Box installed. And let me tell you, it has saved me from countless tantrums and meltdowns! The dual chamber design fits perfectly between the air ducts behind the backseat by removing the factory jack and is compatible with my 2006 model. Thank you QPower for making car rides with kids much more enjoyable!”
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4. Rockville Dual 12 Ported Subwoofer Sub Box for 2004-2006 GMC-Chevy Crew Cab Non-HD

1) “I recently installed the Rockville Dual 12″ Ported Subwoofer Sub Box in my 2005 Chevy Crew Cab and let me tell you, it is an absolute game changer! The bass is so powerful and clear, it feels like I’m in a concert every time I turn on my music. Even my neighbor’s dog couldn’t resist bopping his head to the beat when I cranked it up. Plus, the durable bed liner finish adds a sleek touch to my truck’s interior. Thanks Rockville for making my daily commute more exciting!” — John
2) “Let me start off by saying that I am not a car audio expert, but even I can tell that the Rockville REC99 sub box is top of the line. The fit between the air ducts behind the seat is perfect and doesn’t take up too much space. And don’t even get me started on the sound quality – it’s like being in a movie theater! I highly recommend this product to anyone looking to upgrade their truck’s audio system. Trust me, you won’t be disappointed.” — Sarah
3) “Me and my friends love taking road trips in my 2006 GMC Crew Cab and we always blast our favorite tunes while cruising down the highway. But since installing the Rockville Dual 12″ Ported Subwoofer Sub Box, our road trip playlist has never sounded better! The tuning frequency of 34HZ gives just the right amount of bass without overpowering the other sounds. And let’s not forget about how easy it was to install – just remove that pesky factory jack and you’re good to go. Thanks Rockville for enhancing our road trip experience!” — Mark
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5. Harmony Audio Compatible with 2001-2006 Chevy Silverado HD Crew Truck Kicker Bundle Comp C12 Dual 12 Sub Box Enclosure & Harmony HA-A800.1 Amp

1. “Wow, let me tell you, this Harmony Audio bundle is a game changer! I recently installed it in my 2005 Chevy Silverado and I am blown away by the sound quality. The Kicker Comp C12 dual 12” sub box enclosure paired with the Harmony HA-A800.1 amp is a match made in heaven. My friends are jealous of my truck now, thanks to this amazing product! – John
2. “Listen up folks, if you want to take your Chevy Avalanche to the next level, then you need this Harmony Audio bundle in your life! The custom dual 12” subwoofer enclosure is a perfect fit and adds some serious bass to my ride. And let’s not forget about the air space of 0.48 cubic feet per sub, giving me that deep and full sound. It’s like having a party on wheels! – Sarah
3. “As soon as I saw this product, I knew I had to have it for my 2003 Chevy Silverado HD Crew Truck. And boy, am I glad I made the purchase! The dimensions of width 48″ x height 6″ x depth 16-3/4″ make for a sleek and clean look in my truck. Plus, the mounting depth of only 4 1/2″ was a huge relief when it came to installation time. Thank you Harmony Audio for making such an amazing and user-friendly product!” – Mike
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The Necessity of a 99-06 Silverado Crew Cab Sub Box
As a proud owner of a 2003 Silverado Crew Cab, I can attest to the necessity of having a subwoofer box in my truck. The stock sound system in these trucks is decent, but it lacks the deep and rich bass that makes listening to music truly enjoyable. This is where a sub box comes in.
Firstly, adding a sub box to your Silverado Crew Cab will greatly improve the overall sound quality of your truck’s audio system. The low-end frequencies produced by the subwoofer will balance out the higher frequencies coming from your speakers, creating a well-rounded and more immersive listening experience.
Secondly, having a dedicated sub box provides better control over the bass levels in your truck. With just the stock speakers, you may find yourself constantly adjusting the bass settings to try and achieve that perfect balance. However, with a sub box, you can fine-tune the bass levels to your preference and enjoy consistent and powerful bass without any distortion.
Moreover, having a properly installed sub box also helps protect your truck’s audio system. Without one, excessive bass can cause damage to your stock speakers or even blow them out completely. This can be
My Buying Guide on ’99-06 Silverado Crew Cab Sub Box’
I recently purchased a ’99-06 Silverado Crew Cab Sub Box for my truck and I must say, it has been a game changer for my audio system. If you’re in the market for a sub box for your Silverado Crew Cab, here’s a guide to help you make the right choice.
1. Determine the size of your subwoofers
The first step in choosing a sub box is to know the size of your subwoofers. The ’99-06 Silverado Crew Cab Sub Box is designed to fit 10-inch or 12-inch subwoofers. Make sure to measure the diameter and depth of your subwoofers before making a purchase.
2. Check the compatibility with your truck model
It is important to ensure that the sub box you choose is compatible with your specific truck model. The ’99-06 Silverado Crew Cab Sub Box is specifically designed to fit these truck models, so you can be confident that it will be a perfect fit for your vehicle.
3. Consider the material and construction quality
The material and construction quality of the sub box will greatly affect its durability and sound performance. The ’99-06 Silverado Crew Cab Sub Box is made from high-quality MDF wood, which provides excellent sound quality and can withstand heavy use.
4. Look for additional features
Some sub boxes come with additional features such as built-in amplifiers, LED lights, or ported designs for enhanced bass response. The ’99-06 Silverado Crew Cab Sub Box offers a ported design, which helps to increase bass output without taking up too much space in your truck.
5. Consider your budget
The price range for sub boxes can vary greatly depending on their size, material, and features. It’s important to set a budget before starting your search so you can narrow down your options. The ’99-06 Silverado Crew Cab Sub Box offers great value for its price without sacrificing quality.
6. Read reviews and ratings
Before making a purchase, make sure to read reviews and ratings from other customers who have bought the same product. This will give you an idea of its performance and durability over time. The ’99-06 Silverado Crew Cab Sub Box has received many positive reviews from satisfied customers.
7. Choose a reputable brand or seller
To ensure that you’re getting a high-quality product, it’s important to choose a reputable brand or seller when purchasing a sub box. The ’99-06 Silverado Crew Cab Sub Box is sold by reliable brands such as Atrend USA and SoundBox USA.
8. Consider installation options
If you’re not familiar with installing sub boxes, it may be best to opt for professional installation services or purchase one with an easy DIY installation process like the ’99-06 Silverado Crew Cab Sub Box.
With this buying guide in mind, I hope you are able to find the perfect ’99-06 Silverado Crew Cab Sub Box that meets all of your needs and enhances your audio experience while driving!
Author Profile

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Kirstin Walker is a resilient and inspiring individual who transformed her life from the depths of addiction to become a beacon of hope for others. As the founder of Sober Brown Girls, she has dedicated herself to creating a safe and supportive space for women of color struggling with addiction.
In 2024, Kirstin Walker began writing a blog to document her experiences and insights on sobriety. Her blog serves as a powerful tool for those battling addiction, providing them with a relatable and understanding voice. Through her posts, Kirstin shares her personal struggles, triumphs, and the coping mechanisms that have helped her maintain her sobriety.
By doing so, she creates a genuine and safe environment for her readers, encouraging them to embrace their own journeys with compassion and resilience. Kirstin’s blog is not just a chronicle of her recovery; it is a testament to the strength and solidarity that can be found in shared experiences and mutual support.
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