Sealed · 31.8 L net
Manufacturer external dimensions (width × height × depth): 584 × 356 × 235 mm.
Panel thickness: 19 mm.
Driver displacement: 2.01 L.
Loads net volume; dimensions are fitted in CarBoxLab.
JL Audio / SUBWOOFER
JL Audio 12W3v3-4 — specifications and enclosures
JL Audio 12W3v3-4: T/S parameters, mounting dimensions and manufacturer enclosure recommendations. Read the original PDF and load the driver into the 3D designer.
Le is not published. Manufacturer dimensions are reference data; the designer fits its own geometry.
Manufacturer enclosure recommendations
Bass-reflex · 49.6 L net
Tuning Fb: 30 Hz.
Manufacturer external dimensions (width × height × depth): 737 × 356 × 321 mm.
Manufacturer port: shape: slot, width: 35 mm, height: 318 mm, length: 664 mm.
Panel thickness: 19 mm.
Driver displacement: 2.01 L.
Loads net volume and tuning; design port geometry in CarBoxLab.
Calculator parameters
| Fs | 26.72 Hz |
|---|---|
| Vas | 80.54 L |
| Qes | 0.472 |
| Qms | 7.572 |
| Re | 3.563 Ω |
| Sd | 520 cm² |
| Le | Not provided / unverified |
| One-way linear Xmax | 13 mm |
| Frame diameter | 31.8 cm |
| Mounting cutout | 28.1 cm |
| Mounting depth | 16.9 cm |
Additional manufacturer specifications
| Continuous power | 500 W |
|---|
Data is for one subwoofer. Manufacturer recommendations are separate from CarBoxLab calculations. Net air volume excludes the driver, port and bracing; design dimensions are external. Loading a recommendation transfers the verified volume and tuning; confirm port geometry and construction separately.
Source documentation
Original manufacturer documents are not translated. Data reviewed: 2026-10-31.