Banana plug-compatible speaker terminals grace the amplifier outputs, facilitating the use of audiophile-quality speaker cables.

香蕉插头兼容的扬声宽限期放大输出，促进利用高保真品质扬声电缆。

His cockpit speakers crackled. "There isn't a droid made that can outfly you, Master."

他座舱内的扬声发出一阵噼啪声：“没有一机人的飞行本领能得上您，师父。”

The loudspeakers blared the speech repeatedly.

扬声里反复大声地播送那篇演讲。

The Capacitor turns the signal in antiphrasis, the only thing whole. The Earphones do such long ago. The Shot of the handgun not audible.

什么是积极保护？基本原理是：发射和接收信号---一放大，一晶体管---一电阻的电容---一扬声或射极的输出装置。