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WINDOWS SOFTWARE FOR SUBWOOFER BUILDERS

Design your subwoofer enclosure.

Your all-in-one design workspace.

Design in 3D and explore your enclosure’s predicted acoustic performance as you adjust your design.

Imagine. Design. Analyse. Build.

Download Free for Windows ↓Try the browser demo ↗

€0 · Windows x64 · No account or payment details

On your phone or Mac?

Try the browser demo now. Download the desktop app when you are on a Windows PC.

Windows download & installation steps →

A NEW CHAPTER · 1.17.0

Hello, 1.17.0.

We’re excited to have reached this next chapter for SubForge. We hope you’ll be just as excited to explore it — and, above all, have fun bringing your ideas to life.

See how your enclosure comes together ↓
SubForge 1.17.0 Pro example showing a walnut slot-port enclosure, amplifier and DSP controls, and predicted SPL response, port velocity in metres per second and cone excursion graphs.
SubForge 1.17.0 · SPL response · Port velocity · Cone excursion · Pro exampleEnlarge ↗
Adjust cabinet dimensionsExplore response graphsSave your projectFree starts immediately
  1. 01

    Shape the cabinet

    Adjust the enclosure dimensions and move the woofer in the 3D view.

  2. 02

    See the response

    Explore predicted SPL, impedance and cone excursion for the example.

  3. 03

    Keep your design

    Save your project and continue on your Windows PC.

Editing driver / T&S data, amplifier and loss settings requires Basic or Pro. Explore paid editions →

DESIGN. ANALYSE. BUILD.

3D enclosure design.
Acoustic simulation.

One workspace for your driver, enclosure and predicted acoustic response.

SubForge 1.17.0 Pro example showing amplifier and DSP controls alongside predicted SPL response, port velocity and cone excursion graphs.
02 / ANALYSE · PRO

Explore predicted SPL and excursion.

See predicted SPL, port velocity and cone excursion together with amplifier and DSP settings.

Understand acoustic simulation →
SubForge 1.17.0 Pro example showing nine rectangular panel blanks arranged on a 2440 by 1220 mm sheet, with a 3 mm saw kerf and 50.8% panel area.
03 / BUILD · PRO

Plan your sheet cuts.

Explore the sheet layout and panel blank list for the same enclosure. Open both Build captures below.

Explore build preparation →

Actual SubForge 1.17.0 captures · Pro example · Available for Windows now

IMAGINE. DESIGN. ANALYSE. BUILD.

See how your enclosure
comes together.

From a finished cabinet to the parts inside. Explore the panels, slot port and bracing in this exploded view of the same walnut enclosure.

Press play for a closer look.

Explore the Design workspace →
SubForge 1.17.0 · Pro example · Exploded viewEnlarge Design ↗

BUILD / SUBFORGE 1.17.0 · PRO

From sheet layout
to panel list.

See the rectangular panel blanks on the sheet, then review their sizes, positions and rotations.

SubForge 1.17.0 Pro example showing nine rectangular panel blanks arranged on a 2440 by 1220 mm sheet, with a 3 mm saw kerf and 50.8% panel area.

Plan the sheet layout.

One sheet, nine panel blanks and the remaining offcut area.

SubForge 1.17.0 Pro example listing panel blank sizes, sheet positions and rotations, with rubber feet listed separately as hardware.

Review each panel blank.

Panel sizes, sheet positions and rotations, with hardware listed separately.

Actual 1.17.0 captures · Pro example · Rectangular blanks: machine openings, radii and joints afterwards. Verify dimensions and construction details before cutting.

FOR DIE-HARD SPL BUILDERS

Big ideas.
Bigger bass.

For builders who don’t stop at one subwoofer.

Four inverted subs. Six aeroports. Because sometimes, “enough” is only the starting point.

Find the edition for your next build →
ONE BUILD. EVERY ANGLE. Enlarge still ↗
  • 4 inverted subs
  • 6 aeroports
  • 3D design workspace
Cutaway of the same four-subwoofer enclosure, exposing the six aeroports and internal wooden bracing.

Look inside your build.

See the port layout and internal bracing in the cutaway view.

SubForge Pro showing the same enclosure in exploded view with separate panels, four inverted drivers, six aeroports, DSP controls and predicted response graphs.

See how it comes together.

Explore the panels, drivers and ports in an exploded view.

Actual SubForge Pro captures · Example design · Multiple drivers and ports require Basic or Pro. Compare features →

START SMALL. EXPLORE MORE.

A real starting point.
Completely free.

Start with a slotport design. Adjust cabinet dimensions, explore response graphs and save your project. Driver / T&S editing requires Basic or Pro.

Start with Free ↓
  1. 01

    Download the Windows ZIP.

    No registration or payment required.

  2. 02

    Extract the complete folder.

    Keep the executable and supporting files together.

  3. 03

    Open SubForge.exe.

    Choose Continue with Free and explore your first slotport design.

GOOD TO KNOW

Subwoofer design software FAQ.

Which enclosures can I design?+

Sealed and bass-reflex designs are available in every edition. Free supports up to two drivers, standard slotports and up to two round ports. Basic adds Aeroports and construction options; Pro adds passive radiators and advanced design tools. Compare editions ↗

Can I start for free?+

Yes. Download and open SubForge. Choose Continue with Free. No account or registration is needed. Basic and Pro are optional paid editions; compare their features and current prices on the Editions page.

Is the cut list ready for manufacturing?+

It is a concept. Verify joints, tolerances, cutouts and hardware before building. Check simulation results with physical measurements.

What do I need to run SubForge?+

A Windows x64 PC. Free works without an account or internet connection. Basic / Pro require a verified account and online licence checks. The interface is in English.

YOUR NEXT ENCLOSURE

Make room for your next idea.

Start with Free. Choose Basic or Pro when your build needs more.

Download Free for Windows ↓Compare editions →
Studio screenshot

Actual Studio test build · example values