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Frequency vs. Power Response

Keep in mind that these are frequency (anechoic) response curves created by measuring with the speakers away from all boundaries or in an anechoic chamber.

In reality speakers are used in rooms and thus what you actually hear are the frequency response +/- boundary reflections i.e. the in-room power response.

Power response curves are usually dramatically different than frequency response curves and are closer to what we actually hear when listening to speakers in a room.

A typical room is going to boost the low bass of the speaker (shelving bass boost) so the frequency response bass roll-off points can be mis-leading.

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