Universal box template
Automotive Single 12-inch Rectangular Bass-Reflex Subwoofer Box - 35 L / 35 Hz - 596 × 369 × 290 mm
18
Car sub
Right-side port
Description
This enclosure is designed for a single 12-inch rectangular subwoofer, utilizing a Vented / Bass-Reflex design with a 35 L chamber tuned to 35 Hz. Built from 18 mm (3/4 inch) material, the simple rectangular cabinet measures 596 × 369 × 290 mm (23.94 × 14.58 × 11.43 in). The layout features one L-shaped slot port positioned on the right side to ensure consistent visual alignment and ease of installation. This box is optimized for everyday car-audio use, balancing limited trunk space with high-quality sound. The port area is specifically suited for high-output drivers with increased cone excursion and airflow demand.
Volume & tuning
35 l
Internal volume
35 Hz
Tuning frequency
Box properties
Shape
Simple Rectangle
Material thickness (mm)
18
Material thickness (inch)
3/4
Box dimensions (mm)
597 × 370 × 290
Box dimensions (inch)
23.94 × 14.58 × 11.43
Max RMS speaker power up to
300 W
Speaker mounting panel layers
Single
Number of bands
1
Enclosure & speaker
Enclosure
Vented
Speaker configuration
Single
Number of speakers
1
Speaker size
12" Rectangle
Port
Port type
Rectangular
Port count
1
Port area (sq.mm)
11675
