This app is designed for beginners and advanced fans of acoustic system building. The main feature is a calculation of the volume of the subwoofer box, according to his parameters Thiele-Small(FS, VAS, QTS). This is a list of features for box calculations:

-Support calculations for different enclosures such as closed, vented(bass-reflex, ported), 4th order bandpass, 6th order bandpass.

-Amplitude response, phase response, group delays, cone displacement and SPL charts for all enclosures.

-Different types of generation of box parameters, such as optimum volume, max flat amplitude response, boom-box, and many others.

-Generation of parameters for a vented box to achieve Bass response, just choose frequency on which you need rise and value of rising, and program chooses box parameters by itself.

-Calculation parameters for rounded and rectangle ports.

-Calculation amount volume include port(s) and speaker(s) displacement.

-Calculation of parts to assemble your box.

By signing up to our service you can save your projects in a cloud and make it available on every your device, which has our application.

There is a shared on-line database of speakers(which contains about 5000 drivers), in which you can add your speakers and edit existing ones, and after it will review by a moderator it will be available to other users of «Speaker Box Lite».

!!!Don't forget to leave your reviews for loudspeakers, which you are used, specify box type and its parameters to help other users choosing speaker and box volume for its.

Leave comments and wishes on the development of the project.


You can buy the PRO-Account subscription(the price is 5.49$/month) of Speaker Box Lite and get extended features, like offline access to the database, unlimited projects and others.

Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase.

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What’s New

Version 1.14.2

Some bugs fixed

Ratings and Reviews

4.4 out of 5
173 Ratings

173 Ratings

bigceeboogie ,

Great utility!

Cannot overemphasize the value of a good sub enclosure volume calculator!
The fact that this app is completely free of charge is amazing!
You have to know a decent amount about speakers and parameters to be able to make use of this tool if your speakers of choice are not in the database but it works great for fundamentals and an entry level enclosure calculator. Not quite sure how accurate it is until I compare calculations with my overpriced computer based software. But it’s a great tool for quick calculations and enclosure quotes.. great job. Wonder if there’s a pro version and how much more it’s capable of !

Logieemonds ,

Initial impression

So far I have only designed one box with this app but I like the user interface and the fact that I can contribute to the data base of speaker information. That feature alone is amazing, it is possible to enter in the tablet parameters for any speaker and request that is be added to the data base for your future use and for the use of others as well. Your information gets checked by a moderator as well.

rek-rap ,

Great tool!

Makes finding the perfect enclosure type and size a breeze - I recently purchased a $600 sub and threw it in a “recommended box size” ported box it did well but come to find out the app actually recommends a SEALED box for best sound with my driver. Just got done knocking one out quick (letting it dry overnight) im about a .10 off but I don’t think it’ll be noticeable and should play pretty flat! thanks speaker box lite!


Alexey Abdulin
80.5 MB

Requires iOS 10.0 or later. Compatible with iPhone, iPad, and iPod touch.


English, Russian

Age Rating
In-App Purchases
  1. PRO Account $5.49


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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