






JL Audio 12TW3-D8
12-inch Shallow Mount 400 Watt Subwoofer Driver Dual 8-ohm
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JL Audio 12TW3-D8 Subwoofer: Compact Design, Powerful Bass
The JL Audio 12TW3-D8 is a compact, high-performance 12-inch subwoofer designed to deliver deep, clean bass in installations where space is limited. Engineered with JL Audio’s innovative technologies, this subwoofer provides the perfect combination of space-saving design and powerful low-frequency performance—ideal for upgrading factory systems or building custom audio setups.
Innovative Design for Space-Saving Performance
Utilizing Concentric Tube Suspension (CTS) technology, the 12TW3-D8 maintains a shallow mounting depth while achieving long excursion and dynamic sound output. This allows for installation in tight spaces without compromising bass quality, making it an excellent choice for sealed or ported enclosures.
Rich, Accurate Low-End Sound
Equipped with a mineral-filled polypropylene cone and rubber surround, the 12TW3-D8 delivers tight, distortion-free bass across a broad frequency range. Its dual 8-ohm voice coils provide flexible wiring options, making it compatible with a wide variety of amplifier configurations for tailored system performance.
Durable Construction for Reliable Performance
Built with a rugged cast alloy frame and advanced cooling technology, the 12TW3-D8 is engineered for longevity and consistent output. Its compact form factor is perfect for space-conscious installs, ensuring high-quality sound without taking up valuable interior space.
Key Features
- 12-Inch Subwoofer: Space-saving design with big bass output.
- Concentric Tube Suspension (CTS): Enables long excursion in a slim profile.
- Dual 8-Ohm Voice Coils: Allows versatile wiring to suit different amplifiers.
- Optimized for Sealed or Ported Enclosures: Delivers excellent performance in various setups.
- Durable Build: Cast alloy frame and advanced cooling ensure long-term reliability.
Why Choose the JL Audio 12TW3-D8 Subwoofer?
If you're looking for deep, accurate bass in a limited-space installation, the JL Audio 12TW3-D8 offers the perfect solution. Its cutting-edge design, flexible wiring, and durable construction deliver legendary JL Audio sound quality in a compact package—ideal for custom installs or factory upgrades.
Specifications
- Subwoofer Size: 12 inches
- Power Handling: 400W RMS
- Impedance: Dual 8-ohm voice coils
- Frequency Response: 22 Hz – 200 Hz
- Mounting Depth: 3.25 inches (83 mm)
- Recommended Enclosure: Sealed or ported
Frequently Asked Questions
Q: Can the 12TW3-D8 fit into tight spaces?
A: Yes, the shallow mounting depth of just 3.25 inches makes it ideal for compact installations.
Q: What type of enclosures is this subwoofer compatible with?
A: It’s optimized for both sealed and ported enclosures, offering flexibility for your build.
Q: Do I need an amplifier to power this subwoofer?
A: Yes, an amplifier delivering 400W RMS is recommended for best performance.
Q: Can the dual 8-ohm voice coils be wired for different configurations?
A: Absolutely. You can wire them in series or parallel to match your amplifier’s impedance requirements.
Q: Is this subwoofer durable for long-term use?
A: Yes, it features a rugged cast frame and cooling system designed for continuous, reliable performance.

FAQ
Do products purchased from San Diego Car Stereo come with a warranty?
Yes, all products come with a 1-year manufacturer warranty unless otherwise stated. This covers any defects excluding physical damage.
Are these products brand new?
Yes, every product we sell is 100% brand new, unused, and comes in original manufacturer packaging unless clearly marked otherwise.
Do you offer installation services?
Yes, we offer professional installation services at both of our San Diego Car Stereo locations. Our expert technicians have over 50 years of combined experience to install all of your car, marine, or offroad audio needs. Stop by or give us a call to schedule an appointment to get a quote in person.