The resonance of a loudspeaker unit depends on the total resistance in the circuit.

喇叭单元的共鸣决定于电路中的总电阻。

youdao

The device includes a cellphone circuit, a GPS positioning unit, and a microphone and loudspeaker.

这个装置包含了一个无线电话电路，全球定位系统单元，一个扬声器和一个喇叭。

youdao

The device 5 a cellphone circuit, a GPS positioning unit, and a microphone and loudspeaker.

这个装置包含了一个无绳电话电路，全球定位系统单元，一个扬声器和一个喇叭。

youdao

Tri-Amping - A technique commonly used in large-scale sound amplification for concerts, Tri-amping is the practice of connecting three audio amplifiers to a loudspeaker unit: one to power the bass driver (woofer), one to power the mid-range and the third to power the treble driver (tweeter).

ENGADGET: Edifier's Spinnaker Bluetooth speaker system promises not to hurt you, sells for $350

Like its larger sibling, the SS-AR2 loudspeaker is a 4-unit, 3-way floor-standing vented box speaker system.

ENGADGET: Sony reveals SS-AR2 loudspeaker, wants an invite to your next house party