premise: The mounting hardware for the TomTom leaves something to be desired , as the suction cup has fallen off a few times and the power cable plugs into the bottom of the unit , which can interfere with the dashboard if you do n't place it high enough . Occasionally we had difficulty reading the next turn information on the display , as it is somewhat small and unobtrusive . The speaker , however , was loud enough to overcome this problem most of the time , even with our windows down . Why was the loud speaker able to overcome the problem with the display ?
hypothesis: Because the display is small and unobtrusive .