Sealed · 38.94 L net
Manufacturer external dimensions (width × height × depth): 406 × 483 × 298 mm.
Panel thickness: 19 mm.
Driver displacement: 1.36 L.
Loads net volume; dimensions are fitted in CarBoxLab.
JL Audio / SUBWOOFER
JL Audio 12W0v3-4 — specifications and enclosures
JL Audio 12W0v3-4: 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 · 49.55 L net
Tuning Fb: 26 Hz.
Manufacturer external dimensions (width × height × depth): 445 × 375 × 413 mm.
Manufacturer port: shape: round, diameter: 76.2 mm, length: 356 mm.
Panel thickness: 19 mm.
Driver displacement: 1.36 L.
Loads net volume and tuning; design port geometry in CarBoxLab.
Calculator parameters
| Fs | 28.43 Hz |
|---|---|
| Vas | 71.64 L |
| Qes | 0.715 |
| Qms | 10.709 |
| Re | 4.28 Ω |
| Sd | 481 cm² |
| Le | Not provided / unverified |
| One-way linear Xmax | 11.4 mm |
| Frame diameter | 31.8 cm |
| Mounting cutout | 28.1 cm |
| Mounting depth | 13.7 cm |
Additional manufacturer specifications
| Continuous power | 300 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.