JL Audio 10TW3-D4 TW3 Series 10" 400W RMS (800W Peak Power Handling) 4 Ohms, Dual Voice Coil Shallow-Mount Car Subwoofer
We are a JL Audio authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!
What's Inside?
- • (1) 10" Thin-Line subwoofer
- • Voice coil connection warning
- • On-line product registration note
- • Owner's Manual
Why Choose JL Audio 10TW3-D4 Component Car Subwoofer?
Shallow-mount Design
A car subwoofer with a shallow-mount design and comes with a lot of impressive features, the JL Audio 10TW3-D4 is the perfect upgrade for your car's factory subs. This 10-inch subwoofer has the ability to put in some heart-pounding bass and would not need too much space to be installed inside your vehicle.
Polypropylene Cone and a Rubber Surround
It has a mica-filled polypropylene cone and a rubber surround, which gives the subwoofer the needed rigidity and durability to withstand the effects of extended usage at high volume levels while being able to produce an accurate bass response with only minimal distortion.
Produce a Clean and Punchy Low-frequency Performance
It uses JL Audio's DMA-optimized motor design, which helps reduce the distortion while being able to produce a clean and punchy low-frequency performance. It also has JL Audio's famous Concentric Tube Suspension, which significantly improves the subwoofer's excursion, allowing for more air pressure, and resulting in louder and better bass performance.
Deep and Loud With Less Distortion
The JL Audio 10TW3-D4 has a power output of 400 Watts RMS and can reach up to 800 Watts of peak power. It has a frequency response of 24 up to 200 Hz and a sensitivity rate of 82.1 dB, which allows the subwoofer to go really deep and loud with less distortion
Frequently Asked Questions (FAQ)
- • How should I wire the JL Audio 10TW3-D4 to my amplifier?
The dual 4-ohm voice coils can be wired in series or parallel depending on your amplifier's supported impedance. Always verify the final load before powering on the system to avoid amplifier damage.
- • Why does it not hit as hard as I expected?
Low bass output is often caused by an undersized enclosure, incorrect amplifier tuning, or improper crossover settings. Using JL Audio's recommended enclosure specifications will greatly improve performance.
- • What is the ideal sealed enclosure volume?
The 10TW1-4 is designed to perform its best in a compact sealed enclosure with a net internal volume of 0.35 cubic feet (9.91 liters). Performance remains excellent as long as your enclosure volume is within 20% of this specification.
- • Why does it make a scratching sound?
A scratching noise may indicate a damaged voice coil, physical cone damage, or debris inside the speaker gap. Stop using the subwoofer immediately and inspect it to prevent additional damage.
- • Is a sealed or ported enclosure better for the JL Audio 10TW3-D4?
Both enclosure types work well when built to JL Audio's specifications. A sealed box offers tighter bass while a ported enclosure provides greater low-frequency output.
- • Why does my amplifier shut off when the bass gets loud?
This is commonly caused by incorrect voice coil wiring, low battery voltage, or amplifier overheating. Verify the final speaker impedance and inspect all power and ground connections.
- • What size amplifier is recommended for it?
An amplifier that delivers clean power within JL Audio's recommended RMS rating will provide the best performance. Choosing quality power is more important than selecting the highest wattage available.
- • Why does it get hot during long listening sessions?
Some heat is normal during extended use, especially at higher power levels. Excessive heat usually indicates amplifier clipping or overpowering the subwoofer beyond its recommended limits.
- • Can I use two subwoofers with one mono amplifier?
Yes, many users run dual 10TW3-D4 subwoofers if the amplifier supports the final combined impedance. Plan the wiring carefully before installation to ensure safe operation.
- • Should I modify my vehicle panels to install this subwoofer?
If you are not using a pre-fabricated custom enclosure, you may need to modify interior panels or build a custom mount. Always check behind your intended mounting surface for hidden hazards like wiring, fuel lines, or airbags before drilling or cutting.
Learn how to wire subwoofers

- Diameter : 10 Inch
- Sensitivity : 82.1 dB
- Impedance : 4 Ohm
- Frequency Response : 24-200 Hz
- Peak Power Handling : 800 Watts
- Shallow Mount : Yes Inch
- Number of Voice Coils : Dual
- Suggested Sealed Box Volume : 0.5 Cubic ft.
- Suggested Ported Box Volume : 0.6 Cubic ft.
- Mounting Depth : 3.25 Inches
- RMS Power Handling : 400 Watts
- Free Air : No
Features:
- Core Technology: Based on TW5 thin-line subwoofers
- Mounting Depth: Shallow mounting depth of 3.25 / 3.50 inches
- Excursion Capability: Higher excursion capability than W3v3 subwoofers
- Innovative Structure: "Concentric tube" structure built into the injection-molded cone body
- Spider Support: Full annular spider support
- Motor Placement: Large motor structure placed further forward in the speaker
- Enclosure Optimization: Optimized for small enclosures
- Mounting Design: Tab-ear mounting design to maximize cone area within mounting footprints
- Linear Excursion: Long linear excursion capability of 0.60 inches / 15.2 mm, one-way
- Pole Vent: No pole vent, allowing close mounting to the rear wall of the enclosure
- Motor Design: DMA-optimized motor designs
- Patented Technology 1: “Floating cone attach method” technology
- Patented Technology 2: “Concentric tube” architecture
- Frame: Cast alloy frame
- Cone: Injection molded, mica-filled polypropylene cone
- Surround: Rubber surround
- Caps: Aluminum-alloy dust cap and rear cap with JL Audio logo
- Build Quality: Precision-built in the USA at JL Audio’s Miramar, Florida factory with global components
- Bass Quality: Deep, powerful, and accurate bass suitable for more applications than ever before
Specifications:
- Size: 10 inches
- Impedance (Ohms): 4
- Cone Material: Mica-filled IMPP
- Surround Material: Rubber
- Port Diameter (inches): N/A
- Port Length (inches): N/A
- Free-Air: No
- Dual Voice Coil: Yes
- Sensitivity: 82.1 dB at 1 watt
- Frequency Response: 24 - 200 Hz
- Max RMS Power Handling: 400 W
- Peak Power Handling (Watts): 800 W
- Top Mount Depth (inches): 3 1/4
- Bottom Mount Depth (inches): N/A
- Cutout Diameter or Length (inches): 9 9/16
- Frame Width: 10.47 inches
- Frame Length: 11.17 inches
- Vas (liters): 19.82
- Fs (Hz): 32.3
- Qts: 0.62
- Xmax (millimeters): 15.2 mm
- Ideal Sealed Box Volume: 0.5 cubic feet
- Ideal Ported Box Volume: 0.6 cubic feet
- UPC: 699440921848
- Weight: 10
- Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for repair within 1 year from the original date of purchase with proper return authorization.
Do you own this product?
Write a review!
-
JL Audio products are an investment but they’re so worth it, and more. If you are tight on space then this one is highly recommended. It produces a clean, tight bass and you would not expect it from such a small sub. Probably the best shallow mount sub with this quality.
-
Got inside a custom ported box and powered by an Infinity mono amp – the sound is killer! Way better than my last sub from years ago. I'm amazed at how deep it can get, especially for a 10-inch. Loving the upgrade!
-
Way over priced for a 10 in subwoofer
-
Shocked how this shallow sub can bring out that hard hitting bass. It was the thinnest sub I’ve ever seen and its better than the more bulkier subs I owned before. Build quality is great though, which I expected for the hefty price.
-
I've found that the TW3 series is absolutely unbeatable when it comes to shallow mount subs. Just put it in a solid box and tune it right, and you'll get amazing results. It's incredible how much bass you can get from such a small package!
-
The best shallow subwoofer in the market. sound quality is everything with this sub. Easy to fit and build quality is top notch