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JL Audio / SUBWOOFER

JL Audio 13W3v3-4 — specifications and enclosures

JL Audio 13W3v3-4: 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.

Read manufacturer PDF ↗Load driver

Manufacturer enclosure recommendations

Manufacturer recommendation

Sealed · 42.5 L net

Manufacturer external dimensions (width × height × depth): 406 × 406 × 371 mm.

Panel thickness: 19 mm.

Driver displacement: 2.72 L.

Loads net volume; dimensions are fitted in CarBoxLab.

Manufacturer recommendation

Bass-reflex · 63.7 L net

Tuning Fb: 27 Hz.

Manufacturer external dimensions (width × height × depth): 603 × 432 × 422 mm.

Manufacturer port: shape: slot, width: 38 mm, height: 394 mm, length: 873 mm.

Panel thickness: 19 mm.

Driver displacement: 2.72 L.

Loads net volume and tuning; design port geometry in CarBoxLab.

Calculator parameters

Fs23.66 Hz
Vas135.74 L
Qes0.465
Qms6.774
Re3.569 Ω
Sd670 cm²
LeNot provided / unverified
One-way linear Xmax15.5 mm
Frame diameter35.6 cm
Mounting cutout31.9 cm
Mounting depth19.4 cm

Additional manufacturer specifications

Continuous power600 W
Nominal impedance4 Ω

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

Manufacturer manual

Original manufacturer documents are not translated. Data reviewed: 2026-10-31.