Guides

Subwoofer Box Planning Guides

Short, practical reading for people who want better numbers before they start cutting wood.

Guide 01

Sealed vs Ported

Choose the enclosure style that actually fits your goals, space, and listening habits.

Guide 02

How To Measure Trunk Space

Take better max-dimension numbers so the calculator output matches the real vehicle.

Guide 03

When To Use A Wedge Box

Know when a wedge cabinet helps and when a simple rectangular box is still the smarter move.

Guide 04

Round Port vs Slot Port

Cut through the myths and choose the vent style that actually fits your tuning, airflow, and packaging needs.

Why these guides include references

Box Builder is meant to be a no-bullshit planning tool. These guides are written in plain English, but the advice should still point back to real enclosure design references instead of recycled forum folklore.