Universal box template

Single 15-inch Round Ported In-Vehicle Subwoofer Box - 65 L / 33 Hz - 639 × 475 × 427 mm

  1. Ready boxes
  2. Single 15-inch Round Ported In-Vehicle Subwoofer Box - 65 L / 33 Hz - 639 × 475 × 427 mm
Use in calculator
PRO

Support on Patreon is required to use this template

To use this template, you must be a paid Patreon supporter.

Support the project on Patreon
Single 15-inch Vented / Bass-Reflex Subwoofer Box, 65 L volume, 33 Hz tuning with one L-shaped slot port - solid exterior view, 639 × 475 × 427 mm (25.51 × 18.75 × 16.87 in).
Single 15-inch Vented / Bass-Reflex Subwoofer Box, 65 L volume, 33 Hz tuning with one L-shaped slot port - solid exterior view, 639 × 475 × 427 mm (25.51 × 18.75 × 16.87 in).
Single 15-inch Vented / Bass-Reflex Subwoofer Box, 65 L volume, 33 Hz tuning with one L-shaped slot port - solid exterior view, 639 × 475 × 427 mm (25.51 × 18.75 × 16.87 in).
Single 15-inch Vented / Bass-Reflex Subwoofer Box, 65 L volume, 33 Hz tuning with one L-shaped slot port - solid exterior view, 639 × 475 × 427 mm (25.51 × 18.75 × 16.87 in).
Single 15-inch Vented / Bass-Reflex Subwoofer Box, 65 L volume, 33 Hz tuning with one L-shaped slot port - solid exterior view, 639 × 475 × 427 mm (25.51 × 18.75 × 16.87 in).
Single 15-inch Vented / Bass-Reflex Subwoofer Box, 65 L volume, 33 Hz tuning with one L-shaped slot port - disassembled parts, 639 × 475 × 427 mm (25.51 × 18.75 × 16.87 in).

Description

This vented (bass-reflex) enclosure is designed for a single 15-inch round subwoofer, featuring a 65 L chamber tuned to 33 Hz via one L-shaped slot port. Built from 18 mm (3/4 inch) material in a simple rectangle shape, the external dimensions are 639 × 475 × 427 mm (25.51 × 18.75 × 16.87 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, installation constraints, and balanced sound are key.

Volume & tuning

65 l
Internal volume
33 Hz
Tuning frequency

Box properties

Shape
Simple Rectangle
Material thickness (mm)
18
Material thickness (inch)
3/4
Box dimensions (mm)
640 × 475 × 428
Box dimensions (inch)
25.51 × 18.75 × 16.87
Max RMS speaker power up to
800 W
Speaker mounting panel layers
Single
Number of bands
1

Enclosure & speaker

Enclosure
Vented
Speaker configuration
Single
Number of speakers
1
Speaker size
15"

Port

Port type
Rectangular
Port count
1
Port area (sq.mm)
28502
Appearances
View all
Universal Vented / Bass-Reflex Subwoofer Box for 8-33-inch drivers with a light oak front panel, solid exterior.

Light Oak

Loudspeaker enclosure featuring a light oak front panel.

Universal Vented / Bass-Reflex Subwoofer Box for 8-33-inch drivers with a raw cherry wood front panel, solid exterior.

Raw Cherry

A speaker enclosure featuring a raw, unfinished cherry wood front panel.

Universal Vented / Bass-Reflex Subwoofer Box for 8-33-inch drivers with 12 mm rounded front edges, solid exterior.

12 mm Rounded Front Edges

The front edges of the enclosure feature a 12 mm radius rounding.

Universal Vented / Bass-Reflex Subwoofer Box for 8-33-inch drivers with a 12 mm front panel chamfer, solid exterior.

12 mm Front Panel Chamfer

The front panel features a 12 mm chamfered edge.

Similar boxes for 15" speakers
Single 15-inch Round Ported Car Audio Subwoofer Box - 65 L / 35 Hz - 633 × 466 × 419 mm

Single 15-inch Round Ported Car Audio Subwoofer Box - 65 L / 35 Hz - 633 × 466 × 419 mm

65l · 35 Hz

634 × 466 × 420 mm

Automotive 15-inch single round Bass-Reflex subwoofer box - 65 L / 35 Hz - 663 × 466 × 419 mm

Automotive 15-inch single round Bass-Reflex subwoofer box - 65 L / 35 Hz - 663 × 466 × 419 mm

65l · 35 Hz

663 × 466 × 420 mm

Automotive 15-inch Round Ported Subwoofer Box - 65L / 33Hz - 609 × 430 × 387 mm

Automotive 15-inch Round Ported Subwoofer Box - 65L / 33Hz - 609 × 430 × 387 mm

65l · 33 Hz

610 × 430 × 387 mm

In-Vehicle Single 15-inch Round Vented Subwoofer Box - 65 L / 33 Hz - 633 × 430 × 387 mm

In-Vehicle Single 15-inch Round Vented Subwoofer Box - 65 L / 33 Hz - 633 × 430 × 387 mm

65l · 33 Hz

634 × 430 × 387 mm

Automotive Single 15-inch Round Vented Subwoofer Box - 65 L / 33 Hz - 645 × 473 × 426 mm

Automotive Single 15-inch Round Vented Subwoofer Box - 65 L / 33 Hz - 645 × 473 × 426 mm

65l · 33 Hz

645 × 474 × 426 mm

Ported 15-inch Car Subwoofer Box - 65L / 33Hz - 623 × 473 × 426 mm

Ported 15-inch Car Subwoofer Box - 65L / 33Hz - 623 × 473 × 426 mm

65l · 33 Hz

624 × 474 × 426 mm

In-Vehicle 15-inch Round Bass-Reflex Subwoofer Box - 65 L / 33 Hz - 664 × 475 × 427 mm

In-Vehicle 15-inch Round Bass-Reflex Subwoofer Box - 65 L / 33 Hz - 664 × 475 × 427 mm

65l · 33 Hz

665 × 475 × 428 mm

Single 15-inch Round Ported Subwoofer Box for Vehicles - 85 L / 32 Hz - 635 × 495 × 445 mm

Single 15-inch Round Ported Subwoofer Box for Vehicles - 85 L / 32 Hz - 635 × 495 × 445 mm

85l · 32 Hz

636 × 496 × 446 mm

Single 15-inch Round Ported In-Vehicle Subwoofer Box - 85 L / 32 Hz - 656 × 495 × 445 mm

Single 15-inch Round Ported In-Vehicle Subwoofer Box - 85 L / 32 Hz - 656 × 495 × 445 mm

85l · 32 Hz

657 × 496 × 446 mm

15-inch Single Round Ported Car Audio Subwoofer Box - 85L / 32Hz - 676 × 496 × 446 mm

15-inch Single Round Ported Car Audio Subwoofer Box - 85L / 32Hz - 676 × 496 × 446 mm

85l · 32 Hz

676 × 497 × 447 mm

Single 15-inch Round Ported Car Subwoofer Box - 85 L / 32 Hz - 651 × 496 × 446 mm

Single 15-inch Round Ported Car Subwoofer Box - 85 L / 32 Hz - 651 × 496 × 446 mm

85l · 32 Hz

652 × 497 × 447 mm

In-Vehicle Single 15-inch Round Ported Subwoofer Box - 85 L / 32 Hz - 700 × 500 × 450 mm

In-Vehicle Single 15-inch Round Ported Subwoofer Box - 85 L / 32 Hz - 700 × 500 × 450 mm

85l · 32 Hz

700 × 500 × 450 mm