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JL Audio 10TW3-D4 10" 400w Car Subwoofer
JL Audio 10" Slim SUB 400 RMS 4Ω
( JL Audio 10TW3D4 )
- Australian JL Audio Warranty
- Purchase Guarantee (see T&C's)
- JL Audio 10" Slim Sub
- 400W RMS at 4Ω
- Deep bass, shallow design
- Thin-Line technology
Overview
The JL Audio 10" Slim Subwoofer (400W RMS, 4Ω) combines shallow-mount convenience with exceptional bass performance. Built on JL Audio’s advanced Thin-Line and concentric tube technologies, it achieves remarkable excursion and deep, accurate bass from an ultra-compact enclosure. The innovative design supports the large motor structure closer to the front, allowing a mounting depth of just over 3 inches. With DMA-optimized motor systems, a cast alloy frame, and durable mica-filled polypropylene cone, it delivers clean, distortion-free output. Ideal for vehicles with limited space, this subwoofer offers premium JL Audio sound quality, reliability, and installation flexibility in a sleek, shallow design.
Key Features:
10-Inch Slim Subwoofer
Delivers deep, powerful, and accurate bass from an ultra-shallow design ideal for tight spaces.
Power Handling
Handles 400 W RMS at 4 Ω, providing high-output, clean performance with excellent amplifier compatibility.
Thin-Line & Concentric Tube Technology
Built on JL Audio’s Thin-Line platform with a concentric-tube cone structure to support long excursion while compressing depth.
Very Shallow Mounting Depth
Designed for ultra-shallow installations (≈3.25–3.50 inches), allowing mounting close to rear walls and tight factory locations.
High Excursion Capability
Very long linear excursion (0.60 in / 15.2 mm one-way) for increased output and dynamic bass from small enclosures.
Optimized Motor & Cooling
DMA-optimized motor design and patented floating-cone-attach method deliver precise control, reduced distortion, and reliable performance.
Durable Construction
Cast alloy frame, injection-molded mica-filled polypropylene cone, rubber surround, and aluminum-alloy dust/rear caps ensure long-lasting, distortion-free operation.
Small Enclosure Friendly
Very small sealed enclosure requirements and no pole vent — ideal for compact sealed installs and space-limited vehicles.
Precision-Built in USA
Precision-built at JL Audio’s Miramar, Florida factory using global components for consistent quality and performance.
| General Specifications | |
| Continuous Power Handling (RMS) | 400 W |
| Recommended Amplifier Power (RMS) | 200- 400 W |
| Nominal Impedance (Znom) | Dual 4 Ω |
| Physical Specifications | |
| Nominal Diameter | 10 in / 250 mm |
| Overall Diameter (A) | A1: 11.2 in / 284 mm A2: 10.5 in / 267 mm |
| Mounting Hole Diameter (B) | 9.625 in / 244 mm |
| Bolt Hole Circle Diameter (C) | 10.5 in / 267 mm |
| Motor Outer Diameter (D) | 5.1 in / 130 mm |
| Mounting Depth (E) | 3.25 in / 83 mm |
| Driver Displacement | 0.019 cu ft / 0.54 L |
| Net Weight | 10.1 lb / 4.6 kg |
| Parameters | |
| Free Air Resonance (Fs) | 32.30 Hz |
| Electrical “Q” (Qes) | 0.656 |
| Mechanical “Q” (Qms) | 11.35 |
| Total Speaker “Q” (Qts) | 0.62 |
| Equivalent Compliance (Vas) | 0.700 cu ft / 19.82 L |
| One-Way Linear Excursion (Xmax)* | 0.6 in / 15.2 mm |
| Reference Efficiency (no) | 0.23% |
| Efficiency (1 W / 1 m)** | 82.10 dB SPL |
| Effective Piston Area (Sd) | 56.532 sq in / 0.0365 sq m |
| DC Resistance (Re)*** | 9.036 Ω |
|
* Xmax specifications are derived via one-way voice coil overhang method with no correction factors applied. |
|
- 1 x JL Audio 10" Slim SUB 400 RMS 4Ω
Peace of Mind Purchase Guarantee
This product is supplied via JL Audio Australia and enjoys the FULL benefits of the 'Genuine JL Audio Australian Warranty'. (You may also be entitled to other consumer warranties as provided by the Australian Consumer Guarantee and these entitlements are not limited by this warranty). In the event that this product should fail please contact our service department or you can speak with JL Audio Australia directly.
We are a FULLY AUTHORISED Australian retailer for JL Audio Australia.
Disclaimer
Due to differing operating costs associated with selling products via different marketplaces, our pricing may vary.
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