As they say:-
"The NI-SPEKTRAL DELAY PTE 1.1 includes an improved audio engine, two new filter modulations, graphical input/output metering and MIDI beat clock synchronization. Additionally the update now supports Digidesign's new TDM2-system and samples rates with up to 192 kHz."
To find out more about the NI-SPEKTRAL DELAY PTE, checkout:-
Turns out the USB does have audio after all..
Fabulous Fab Dupont took us through the Apollo Twin