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The JL Audio 10TW3-D4 car subwoofer redefines what compact bass can do. Designed to fit where others can’t, this 10-inch dual 4-ohm subwoofer delivers exceptional low-end output with a shallow-mount build. Perfect for tight spaces, it’s the ideal choice for drivers who want real bass without sacrificing cargo space.
Whether you're building a stealth system in a truck or upgrading your car audio, this JL Audio subwoofer hits hard and fits in the smallest enclosures. Big sound, small footprint—that’s the 10TW3-D4 promise.
With a mounting depth of just 3.25 inches, the 10TW3-D4 fits in doors, under seats, and behind seats. JL Audio combines a tall cone with a narrow motor structure to achieve deep excursion and powerful output. Despite its size, this car subwoofer is capable of delivering bass you'd expect from much larger, bulkier drivers.
The unique concentric tube suspension design allows the cone to move freely. That means louder, deeper bass without distortion or flex. You get tight, punchy lows that feel natural at any volume.
This model features dual 4-ohm voice coils. That gives you flexibility in wiring—either to 2 ohms or 8 ohms, depending on your amp.
Pair it with a JL Audio mono amplifier or a high-performance multi-channel amp. It’s perfect for single or dual sub setups in both sealed and ported enclosures. Whether you're going for clarity or maximum output, this sub adapts to your build.
The JL Audio 10TW3-D4 car subwoofer is engineered for stealth installs. It requires only 0.5 cubic feet of air space in a sealed enclosure. This makes it perfect for compact boxes, under-seat systems, and hidden enclosures in sedans, trucks, and hatchbacks.
The cast-alloy frame resists flexing, and the sub features JL’s patented “floating cone” design for optimal cone stability. It also includes spring-loaded terminals for easy wiring.
JL Audio is known for reliability, and the 10TW3-D4 delivers. The mineral-filled polypropylene cone and rubber surround resist wear and moisture. The motor structure is sealed for protection against dust and vibration.
Whether you're cruising daily or heading out on a road trip, your subwoofer will perform consistently. It’s built for years of clean, chest-thumping bass.
Use this sub alone or pair it with additional JL Audio components. Add an amp, mids, highs, or DSP to create a full custom system. Need help choosing the right fit? Check out our full car subwoofer collection to explore sealed or ported enclosures, amplifiers, and more.
Did you know heat can affect speaker performance? Protect your car and your audio gear with tint.
Our trusted partner Window Tint Delaware offers pro-grade window films that block UV rays and reduce cabin heat. Keep your subwoofer cool, your gear protected, and your ride more comfortable.
At Audio Jam, we don’t just sell gear—we install it with precision. Our expert team will create the perfect enclosure, tune your amp, and deliver seamless integration.
We specialize in shallow-mount builds and trunk stealth systems. Your 10TW3-D4 subwoofer will sound great and stay out of sight. Just stop in and let us build your dream bass setup.
Audio Jam
📍 227 Governor Place, Bear, DE 19701
📞 (302) 832-2868
🕒 Open Monday – Saturday, 10 AM – 6 PM
Q1: What amp should I pair with the JL Audio 10TW3-D4?
A mono amp rated for 400–600 watts RMS at 2 ohms is ideal.
Q2: Can I install it under a truck seat?
Yes, the 3.25" depth makes it perfect for tight under-seat spaces.
Q3: Is this sub good for sealed or ported boxes?
It performs best in sealed boxes but also works well in compact ported enclosures
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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I did receive my package in only a few days which was great. I have opened it and it is the complete kit. Hopefully when I have it installed it works as expected. If so it will have been a great shopping experience with, Audio Jam.
Shipping to took to long a week late
It didn’t work and no instructions included
I did receive my package in only a few days which was great. I have opened it and it is the complete kit. Hopefully when I have it installed it works as expected. If so it will have been a great shopping experience with, Audio Jam.
Good product
