The solution is simple:
(1) Plug TurboExpress into home stereo.
(2) On TE: Set *both* TurboSwitches to MAX
(3) On TE: Set Volume to MAX
(4) On stereo receiver: Set Volume to MAX
(5) Play any game. You will have a Wall of Sound accompanying you...and no longer rely on TurboSwitches as a crutch.
(6) Praise the Lords of Thunder.