Welcome to Subwoofer Builder
This free website helps you design, build, and tune your own custom subwoofers and room acoustics, alongside practical construction advice.
Presented are easy-to-follow tutorials, real-world porting experiments, and a suite of popular, free design tools including specialized software like QRDude and Boxnotes.
The site covers the full building process, providing in-depth data on porting, cabinet construction, and addressing room acoustics using QRD diffusers.
Explore the sections below to get started on your next build.
Software
Design Software
Software for designing subwoofers, flared ports and advanced QRD diffusers
Design Software
Instruction
Porting
All you will ever need to know about designing and building subwoofer ports and port flares
Porting
Documentation
Projects
Read about building a series of Home Theatre Subwoofers of increasing quality and capacity
Projects
Instruction
Construction tips
Help with actually building your subwoofer, including an illustrated step by step walk through
Construction
Instruction
Integration
Get your subwoofer to work nicely with your existing Home Theater. Learn to apply room treatments.
Integration