loud-speaker

n.

扩音机；扩音器；

Loud speaker
Loud-speaker
Loud-speaker
Low frequency room excitation using distributed mode loudspeakers
Reproduction of a plane-wave sound field using an array of loudspeakers
Correction to Flexible, Stretchable, Transparent Carbon Nanotube Thin Film Loudspeakers
3-D Audio Using Loudspeakers
Head tracked 3-D audio using loudspeakers
Position calibration of microphones and loudspeakers in distributed computing platforms
Reproduction of a Plane-Wave Sound Field Using an Array of Loudspeakers
1/4"plug in-line surge suppressor for loud speakers
TRANSMISSION CONFIGURABLE AND STORAGE CAPABLE AUDIO SYSTEMS AND LOUDSPEAKERS
Panel-form loudspeakers