USB 2.0 at so-called Full Speed (same as USB 1.1) allows up to 12Mbit/sec.
As a layman, given that Access allow for 3x stereo audio outputs (6x mono channels) at 16-bit 44.1KHz to be sent over USB...
44100 (sample rate) x 16 (bit depth) x 6 (discrete audio [mono] channels) = requires a bandwidth of 4,233,600 bits/second.
Tidying up, that's 4,233,600 / 1024 / 1024 = 4.0 Mbit/second.
I don't pretend to know much about how USB handles data, whether it is possible to use all the stated bandwidth available, but 4Mbits/s is well within the 12Mbit/s Full Speed standard of 1.1 and USB 2.0. It leaves 8Mbit/s available for Virus Control, MIDI bandwidth, error correction and anything else.
It seems very unlikely they will add additional stereo outs at this current stage of the TI|2's commercial life, though.
As MBTC mentions if they release a successor one obvious inclusion as a natural progression would be to include high-speed USB2/3, to possibly offer USB stereo outs with higher sampling rates and bit depths (192KHz/24bits) and maybe even more channels.
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PS > And another thing! Will the Ti|3 have user customisable/importable wavetables?  A ribbon-controller or XY-Pad might be nice, too, please! Thanks!
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