15 Apr, 22:26

Attention!!! The future of the service

Some musing about the future of the service(Too much text but should read if you like the service): I've been developing the service for about 3 years, I've done many features: we have 3 clients(iOS, Android, WEB) and backend to connect it all. The project


28 May, 20:00

box design

i have a pair of Apocalypse DB-SA2510 D2, 10" 2000peak power, and i would like a 4th order band pass box design, any help?


3 May, 07:38

Do I need to have PRO

Hello. Do I need to have PRO to use this calculator?


25 Apr, 13:04

staggered port length

im trying to design a box with staggered port lengths but there doesnt seem to be an option


22 Apr, 02:40

trying to find louder box for my 12s

hello, i was looking for a new box that would make my subs sound louder based off of a custom box, not the pre-built one that they came with. i have two skar evl 12s rated for 1250rms each and  just need an idea of what dimensions would make it the loudest


17 Apr, 03:19


I have 4 cubic feet total to play with for a single resilient sounds platinum 18 at 1 ohm. Wattage conservative at 4500-5000 please help with port size slot preferably.


3 Apr, 14:40

Orion H2 10.2 Box Help

Making a Box for one of Orion old hcca ( H2. 10.2) Subwoofer. Been confused with the tuning and volume for this subwoofer.  Anyone help me with demionsion or suggestions?


2 Apr, 13:41


Hogy tudom kinyomtatni a méreteket?


1 Apr, 13:56

Box design

Looking for the best possible box designed for 4 8 in sound cubed SD 2 8-in dual 2-ohm coil in a 2006 Silverado extended cab four door preferably a vented enclosure and one that contours to the rear of the cab and the floor I would like to box to be dual p


1 Apr, 13:54

i need a box design for 2 15s

I need a box for 2 ds18 exl xx15s but they need to go into a 2007 nissan altima. the trunk of the car is kinda on the small side.


4 Mar, 06:55

Best 4th order pro audio sub

Best 4th order pro audio sub


24 Jan, 04:42

Choose +3db frequency

I don't understand what choose +3db frequency in the car icon thing in the graphs mean. And when I look at the details on my graph I don't hit 0 db until 70 hz and I feel like that is really high? Building a sealed box for Stereo Integrity SQL 15 D4. I ent


23 Jan, 16:55

Adding ports

From the looks of it there's not much support in this app because nobody's questions are answered but How in the WORLD do you add the internal part of your port to your box?? This is the most frustrating app I've ever used and is super glitchy.. I have my


21 Dec 2023, 06:30

Port design issue

I just recently noticed that the data shown on the graphs refuses to allow the use of slot ports. Why is that and will it be changed soon.

Bobby Kinstle

21 Dec 2023, 02:07

Can we load proposed drivers?

Since speakers we add aren't being approved or added by the moderators, can you add a button to let me import my own added drivers into my own projects so I don't have to type in the parameters every time?


16 Dec 2023, 03:55


I have a Orion 12" Hcca XSLP series (1)Ohm woofer and didn't come with the manual so I'm looking for the TS perameters can any one help me attain them. Thank you for ur time. I exhausted all resources 


13 Dec 2023, 22:32

Is it possible to save project in .dxf format?

Is it possible to save project in .dxf format? I'm asking because I'm thinking about buy subscribe. 


3 Dec 2023, 21:02

Need help with tuning new box build

Hey everybody, I'm in need of some experienced help. I've got all of my specs in for my current build but now that I have everything plugged in I'm noticing my port velocity is through the roof. Any tips? And how could I load my build for everyone to see/c


27 Nov 2023, 08:57

4" Subway box

Box thinness


18 Nov 2023, 01:47

how to add missing speaker to database

How do you add a missing speaker to the database