Can You Hear This?

[BLINGMW]

Not sure. They are Altec Lansing from a dell I bought in 2000.

I have bose Triport headphones at work I will try it with those.

Yeah, I doubt that's going to work. See:

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You'll notice that none of the subs listed there can even get down to 20. Let alone 15. Here's what the Mythbusters were using to test sub 20hz frequencies, trying to find the "brown note"