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The Pro X, like the Between 3ANC before them, use multiple drivers: a dynamic unit for the lowest frequencies paired with a dual set of Knowles balanced armatures for the upper-mids and highs. Just like in a tower speaker that has a woofer, a midrange, and a tweeter, multi-driver earbuds divide and conquer by sending specific frequencies to a driver that’s been tuned to handle them.
Out of the box, the earbuds are set to Status Signature—the Pro X’s default tuning. It’s a nicely balanced EQ that…
