Dual 140db horn alarm clock

lol I saw that a while ago. Great for if you are a deep sleeper, personally I would have a heart attack every morning.
 
I think I might need to get me a couple of those for a school project......

But seriously I probably will. Because I'm building the ultimate alarm clock. And I think one of those and a speaker if you want it to play an MP3 (a possibility) will make it beastly.
 

Sound volume doubles every 3 Hz, but amplitude doubles every 6 Hz.

Two would double the amplitude (assuming they were operating perfectly in phase) and that means it'll sound 4 times louder.

At least I think so. Someone needs to confirm this. Because I'm not 100% sure this is right.
 
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