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JL Audio / SUBWOOFER

JL Audio 12W3v3-2 — specifications and enclosures

JL Audio 12W3v3-2: 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 · 35.4 L net

Manufacturer external dimensions (width × height × depth): 584 × 356 × 254 mm.

Panel thickness: 19 mm.

Driver displacement: 2.01 L.

Loads net volume; dimensions are fitted in CarBoxLab.

Manufacturer recommendation

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

Fs27.97 Hz
Vas79.47 L
Qes0.534
Qms7.678
Re1.658 Ω
Sd520 cm²
LeNot provided / unverified
One-way linear Xmax13 mm
Frame diameter31.8 cm
Mounting cutout28.1 cm
Mounting depth16.9 cm

Additional manufacturer specifications

Continuous power500 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

Manufacturer manual

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