According to "Audio System Design Tool for Teensy Audio Library" the maximum times for delay are:

Board Maximum
Teensy 3.0 139.26 ms
Teensy 3.1 449.39 ms
Teensy 3.2 449.39 ms
Teensy 3.5 1671.19 ms
Teensy 3.6 2413.94 ms


How much can be the maximum delay for Teensy 4.0?

Thanks!