Design tools for DIY speaker builders

Free and browser-based. Everything runs locally — no accounts, no uploads, nothing leaves your device.

Baffle Diffraction

Model baffle-step and edge-diffraction loss for a driver and cabinet layout, using the Vanderkooy edge-diffraction method.

Open tool

Box Modeller

Sealed and vented box alignment from Thiele–Small parameters. Passive-radiator support is coming later.

Open tool