These speakers are considered closed systems, meaning that sensitivity (or even the power rating) doesn't matter as much as the total volume capable by the unit.
A na-ewere ndị ọkà okwu a "usoro mechiri emechi," nke pụtara na ntụgharị uche (ma ọ bụ ọbụna njikwa ike) enweghị ihe dịka ọnụ ọgụgụ zuru ezu site na unit ahụ.