Universal box template

Single 12-inch Vented / Bass-Reflex Subwoofer Box - 45 L / 32 Hz

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Description

Designed for a single 12-inch round subwoofer, this Vented / Bass-Reflex enclosure features a 45 L chamber tuned to 32 Hz. The simple rectangle cabinet is constructed from 16 mm (5/8 inch) material with external dimensions of 599 × 407 × 366 mm (23.59 × 16.03 × 14.43 in). One internal brace reinforces the structure and reduces panel vibration, ensuring it is suitable for high-output systems. The design utilizes one L-shaped slot port with a port area optimized for large-excursion drivers and high-airflow SPL demands. Whether used as a general-purpose home subwoofer to balance bass extension and low distortion or for everyday car audio where trunk space and balanced sound are key, this box offers a versatile solution.

Volume & tuning

45 l
Internal volume
32 Hz
Tuning frequency

Box properties

Shape
Simple Rectangle
Material thickness (mm)
16
Material thickness (inch)
5/8
Box dimensions (mm)
600 × 407 × 367
Box dimensions (inch)
23.59 × 16.03 × 14.43
Max RMS speaker power up to
1400 W
Speaker mounting panel layers
Single
Number of bands
1

Enclosure & speaker

Enclosure
Vented
Speaker configuration
Single
Number of speakers
1
Speaker size
12"

Port

Port type
Rectangular
Port count
1
Port area (sq.mm)
18241
Appearances
View all
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