JB, basically neither the 525 nor the 1400 have a sound and there would be no useful purpose in listening to them at a dealer. Any slight differences in the volume level or some other detail of the setup would account for any differences heard; don't waste your time.

My own view is that the equalization feature of the 1400 is of far more significance than the variable crossover(or bass management)feature of the 525, but the weighting to give them is up to you.

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Enjoy the music, not the equipment.