It is always preferred to use a larger earpiece over a smaller to get the most soundoutput.
它总是倾向于使用较大的耳机在一个较小，以获得最大的声音输出。
2
The method also comprises differentially controlling soundoutput by the speakers based on the detected movement of the mobile station.
本发明的特征包括：振动检测传感器，检测从扬声器输出的音源的振动大 小；
3
During live performances, like plays, operas and musicals, soundoutput as heretofore been largely hindered by whatever speaker system happens to be in place at the venue.