com> The F1 ($6,000) gives you a lot of drivers: six Multi-Cell MicroTransducer tweeters (each with 12 motors to move a small film diaphragm), two mid-bass, two woofers and a supertweeter
The speakers were five Sony SS-M9ED models ($8,000 each), with two 8" woofers, 5" mid, 1" tweeter and 1" supertweeter
Finally, the Walsh cone is supplemented by a direct-firing supertweeter that assures that the highest frequencies will be directional enough to avoid rear reflections altogether.
I understand why it is undesirable to use the Walsh driver at these frequencies, but the documentation is silent on the features of this supertweeter that would enable it to avoid the common high-frequency driver beaminess and mesh with the Walsh driver's wide-dispersion sound, and on how it can work at all in the alternative, side-firing speaker orientation.
In other words, Apple could potentially implant different display based speakers for woofers, subwoofers, tweeters, supertweeters
and mid-range speakers all right into that flexible screen.