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!
A car subwoofer with a shallow-mount design and many impressive features, the JL Audio 12TW3-D4 is the perfect upgrade for your car's factory subs. This 12-inch subwoofer can put in some heart-pounding bass and would not need too much space to be installed inside your vehicle.
The JL Audio 12TW3-D4 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.
It uses JL Audio's DMA-optimized motor design, which helps reduce distortion while producing a clean and punchy low-frequency performance. The JL Audio 12TW3-D4 also has the company'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.
| JL Audio 12" Thin-Line Subwoofer Comparison | |||
|---|---|---|---|
 12TW1-2 12" TW1 Series Thin-Line Car Subwoofer BEST FOR 2Ω SYSTEMS
|
 12TW1-4 12" TW1 Series Thin-Line Car Subwoofer BEST FOR 4Ω SYSTEMS
|
 12TW3-D4 12" TW3 Series Premium Thin-Line Car Subwoofer BEST OVERALL
|
 12TW3-D8 12" TW3 Series Premium Thin-Line Car Subwoofer BEST FOR 4Ω FINAL LOAD
|
| If You Want... | Recommended Model |
|---|---|
| Best Value Thin-Line Subwoofer | 12TW1-2 / 12TW1-4 |
| Best Overall Performance | 12TW3-D4 |
| Best for 2Ω Amplifiers | 12TW1-2 / 12TW3-D4 |
| Best for 4Ω Amplifiers | 12TW1-4 / 12TW3-D8 |
| Most Flexible Wiring Options | 12TW3-D4 |
| Best for 4Ω Final Load Systems | 12TW3-D8 |
| Highest Bass Output | 12TW3-D4 / 12TW3-D8 |
| Best Factory Audio Upgrade | 12TW1-2 / 12TW1-4 |
| Best Daily Driver | 12TW3-D4 |
| Best Sound Quality in a Shallow Enclosure | 12TW3-D4 / 12TW3-D8 |
| Best for Extremely Tight Mounting Spaces | 12TW3-D4 / 12TW3-D8 |
The best choice for affordable shallow-mount bass, offering 300 Watts RMS power handling, compact enclosure compatibility, excellent musical bass, and straightforward amplifier matching for everyday systems.
The premium Thin-Line Series, delivering 400 Watts RMS power handling, a shallower 3.50" mounting depth, dual voice coil flexibility, higher output, and outstanding bass performance for demanding shallow-space installations.
Features:
Specifications:
I have a small car and i am always a fan of JL Audio products, so when I saw this on the website, it got me thinking to try it out. it was really a great decision, no issues with its sound and is really punchy for its size
Recently, I acquired a pair of these speakers, and I'm thoroughly impressed by the quality of their sound. Initially, I had reservations about getting them, as I was concerned they might not match up to my 12W3V3's in terms of audio performance. To my surprise, these speakers exceeded my expectations and delivered sound quality on par, if not better than the W3's. So, don't underestimate the TW3's as they are more than capable of producing impressive bass. I'm also currently using a JL Audio 600/1V3, and when both of them work in tandem, the result is absolutely perfect.
This subwoofer is a true MONSTER!!!! The bass is so clear and crisp, but powerful too. I hooked it up to a mono amp pushing 400 watts @ 4 ohms, and I stuck it in a sealed box. Super good product from JL Audio.
Helped me saved a lot of money for my sound system. Does not need larger enclosure and the loud and sound quality meets my expectations
Bought three of these bad boys. Had the two running on my truck in a dual enclosure I made on my own. I had the other one in my car. All great experiences from the sub. 400 Watts per sub is more than enough to enjoy a true bass performance.
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!
A car subwoofer with a shallow-mount design and many impressive features, the JL Audio 12TW3-D4 is the perfect upgrade for your car's factory subs. This 12-inch subwoofer can put in some heart-pounding bass and would not need too much space to be installed inside your vehicle.
The JL Audio 12TW3-D4 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.
It uses JL Audio's DMA-optimized motor design, which helps reduce distortion while producing a clean and punchy low-frequency performance. The JL Audio 12TW3-D4 also has the company'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.
| JL Audio 12" Thin-Line Subwoofer Comparison | |||
|---|---|---|---|
| 12TW1-2 12" TW1 Series Thin-Line Car Subwoofer BEST FOR 2Ω SYSTEMS
|
12TW1-4 12" TW1 Series Thin-Line Car Subwoofer BEST FOR 4Ω SYSTEMS
|
12TW3-D4 12" TW3 Series Premium Thin-Line Car Subwoofer BEST OVERALL
|
12TW3-D8 12" TW3 Series Premium Thin-Line Car Subwoofer BEST FOR 4Ω FINAL LOAD
|
| If You Want... | Recommended Model |
|---|---|
| Best Value Thin-Line Subwoofer | 12TW1-2 / 12TW1-4 |
| Best Overall Performance | 12TW3-D4 |
| Best for 2Ω Amplifiers | 12TW1-2 / 12TW3-D4 |
| Best for 4Ω Amplifiers | 12TW1-4 / 12TW3-D8 |
| Most Flexible Wiring Options | 12TW3-D4 |
| Best for 4Ω Final Load Systems | 12TW3-D8 |
| Highest Bass Output | 12TW3-D4 / 12TW3-D8 |
| Best Factory Audio Upgrade | 12TW1-2 / 12TW1-4 |
| Best Daily Driver | 12TW3-D4 |
| Best Sound Quality in a Shallow Enclosure | 12TW3-D4 / 12TW3-D8 |
| Best for Extremely Tight Mounting Spaces | 12TW3-D4 / 12TW3-D8 |
The best choice for affordable shallow-mount bass, offering 300 Watts RMS power handling, compact enclosure compatibility, excellent musical bass, and straightforward amplifier matching for everyday systems.
The premium Thin-Line Series, delivering 400 Watts RMS power handling, a shallower 3.50" mounting depth, dual voice coil flexibility, higher output, and outstanding bass performance for demanding shallow-space installations.
