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Thank you very much for this. I've tried at least 5 other apps just trying to get simple dimensions for my box build. After answering 50 questions I still didn't get the answers I needed with the other apps. With this one I went to the box calculator, plugged in some basic info, and like magic I got what I needed in less than a minute from when I started. Thanks again
★★★★☆Josh Hamlin· May 3, 2023
I've used this for a long time. One of the best I found. Until it started crashing. The new update fixed the crashing but some of the features work differently. The old power calculator worked better and was more flexible for entry and calculations. Granted with a little math you can figure all these out. But the way it worked before I could recommend it to someone who didn't understand the math, and they could find the answers. Primarily P = V² / R Which is super handy when tuning an amplifier
★★★★☆A Google user· Dec 20, 2016
Performs as advertised I fully disagree with the nature reviews. This App performs all tasks flawlessly and has more features than any other Ap that I have used in this category . There are few more tools that I would like to see but until then, this is the best one I found
★★★★★A Google user· Oct 15, 2016
Well this is bs...spyware malware Spyware beware real talk
★☆☆☆☆Glenn C· Aug 19, 2025
This app is not for building boxes. It doesn't have multiple dimensions for truck boxes. The only speakers are dd brand. The calculator only goes off amp and volts....hello ohms law can be calculated any direction. I should be able to take wattage/ ohms and calculate voltage, so I can dial in the gain on my amp. I literally spent 30 seconds in the app and found everything it can't do.
★★☆☆☆Jody Johnson· Jun 27, 2015
Box design is the only useful but only when building a nox for a DD or Sounded sub. The tone generator only creates a squealing noise on my Samsung S4. Needs work on the tone generator.
★★☆☆☆Linus Gk· Nov 7, 2017
Watt calculator horrible coded. Auto calculation during typing, so you can't enter every number before it is changing. EG. Enter volt, then amps, the ohm and wattage autofills and if I try to change the ohm it changes the amp or voltage to match the rest.
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