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

2128 reviews
Built like a tank

Solid Build. Haven't pushed it to its RMS yet but sounds great.

Tropo xl 12 inch

These subwoofers are by far the best product I've bought. The price for the performance is staggering and i need to line more panels in my car with hush mat because of the rattling. Definitely a recommended product and planning to purchasing some 6x9 meso series.

This thing pounds!!

I love it and I am waiting for an amp to be available to go with the sub!!! Kicker has some competition!!


Super fast and nice

The Best Subs for the money period

Bought two tropo xl 10 d4’s wired them to 1 ohm on a 1000 watt amp. These subs have exceeded every expectation I had for them in every aspect Coleman Thedinger is doing great things for the CT Sounds Community. Looking forward to many more of these great products.