Hi Tmsorosk,
As mentioned above by others, control is a function of an amplifier, but there is no doubt that High sensitivity speakers typically show the dynamics and control of an amplifier easier. As far as grip and control. I am using a 86db, 4 ohm speaker, it is fast and accurate. I have had speakers as high as 97db 8 ohm, they required much less amplifier to have the speed and transients that I believe that you are referring to as control.
As mentioned above by others, control is a function of an amplifier, but there is no doubt that High sensitivity speakers typically show the dynamics and control of an amplifier easier. As far as grip and control. I am using a 86db, 4 ohm speaker, it is fast and accurate. I have had speakers as high as 97db 8 ohm, they required much less amplifier to have the speed and transients that I believe that you are referring to as control.