Universal box template

Single 8-inch Round Bass-Reflex In-Vehicle Subwoofer Box - 25 L / 35 Hz - 563 × 302 × 272 mm

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Description

Designed for a single 8-inch round subwoofer, this Vented / Bass-Reflex enclosure features a 25 L chamber tuned to 35 Hz using one L-shaped slot port. The cabinet has a simple rectangle shape built from 16 mm (5/8 inch) material with external dimensions of 563 × 302 × 272 mm (22.12 × 11.9 × 10.71 in). One internal brace reinforces the cabinet and reduces panel vibration, making it suitable for high-output subwoofer systems. The port area is optimized for high-output, large-excursion drivers and SPL-oriented use with high airflow demand. This design serves as a general-purpose home subwoofer enclosure for music and stereo systems, balancing bass extension, size, output, and low distortion, while also being suitable for everyday car-audio use where trunk space and installation constraints require balanced sound.

Volume & tuning

25 l
Internal volume
35 Hz
Tuning frequency

Box properties

Shape
Simple Rectangle
Material thickness (mm)
16
Material thickness (inch)
5/8
Box dimensions (mm)
563 × 302 × 272
Box dimensions (inch)
22.12 × 11.9 × 10.71
Max RMS speaker power up to
4600 W
Speaker mounting panel layers
Single
Number of bands
1

Enclosure & speaker

Enclosure
Vented
Speaker configuration
Single
Number of speakers
1
Speaker size
8"

Port

Port type
Rectangular
Port count
1
Port area (sq.mm)
8107
Appearances
View all
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