It also depends on how those other manufacturers spec and measure that 34Hz. Do they all list it as the -3db point? Do they list how it was measured and was it anechoic? Can you verify it with 3rd party measurements.

Lots of manufacturers fudge the numbers one way or another.

The M80s reach low with authority.

Fred

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Blujays1: Spending Fred's money one bottle at a time, no two... Oh crap!