Um, from reading the ad, these appear to target the professional recording industry. I agree it's silly for home audio, but there may well be a benefit (or even a need) for these in studios, control rooms, etc.
Haven't they got the wrong idea, here? Raising the speaker to a different height might affect the sound quality of the monitor by exposing the drivers to an increased atmospheric pressure, thereby altering the waveform and dispersion characteristics of the speaker. Shouldn't the speakers remain stationary while four of these used under your listening chair elevate your ears to the proper listening position?
Probably not a great idea to keep moving the speaker wire and stressing connections.
What about a large plant that swivels in front of the speakers during rest and then rotates back behind each speaker during play. That could improve WAF. Probably out there already... if not, what's the number of the patent office?
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