Ct sounds car audio system design tools

When it comes to building the perfect system for your vehicle there is a lot of factors come into play. What speakers fit my car? How do I wire up my subwoofers to my amplifier? How do I design the best custom enclosure to get the most out of my woofers? Well here at CT Sounds we have made it a lot of easier for you when it comes to designing your system. Check out the free tools below! 

Subwoofer Box Calculator Diagrams

Subwoofer Box Design Calculator

Want to design the best subwoofer box for your car? Well you have come to the right place! The CT Sounds sub box calculator will help design your perfect custom box with easy and accurate cut sheets! Make a blueprint for your next subwoofer box today! 

Car Speaker Fit Guide

Car Audio Speakers Fit Guide

Want to upgrade your stock door speaker but not sure what size speakers your car fits? Then you better check out the CT Sounds Car Speaker Fit Guide! We are updating it daily with many new makes and models! Enjoy this free fit guide tool! No purchase required. 

Subwoofer Box Calculator Diagrams

Subwoofer Wiring Diagram Calculator

Did you get some new subwoofers but you are not sure how to wire the up correctly to your amplifier? Well look no further! We have developed an easy to use subwoofer wiring diagrams so you can see exactly how to wire up the speakers when using our calculator! 


★ CT Sounds Reviews

Let customers speak for us

1811 reviews
15" ground shaker box

The box is actually 2.80 cu ft but it still sounds good my sub needed 2.25 cu ft. My box came in 5 days. I would recommend this box


I’m pleased with them gives my car a little pop to the eye

6.5 component speakers

I’m very pleased with the quality

I haven't hooked them up yet

Tropo 10” d2

The speaker came packaged nicely. Opened and the sub was more than I expected best built and best sounding sub I have owned can’t wait to purchase more ct sound products!!!