
Life's secret* in audio: the subwoofer.
*First of all, I'd like to qualify my reference to life here by saying that it applies to the "liveliness" of sound reproduction, or "pep" as we call it.
Music has always included thundering instruments in its scores. This is even truer with the advent of electric instruments and amplification. Low-pitched sounds are useful for making music felt all over our bodies, thus multiplying its ability to move us tenfold! Low notes set the rhythm, like the bass drum on the cover of this article!