强声器

强的英语翻译：

better; by force; make an effort; powerful; strive; strong; stubborn

声的英语翻译：

make a sound; reputation; sound; tone; voice
【化】 sound
【医】 phon-; phono-; sonus; sound

器的英语翻译：

implement; organ; utensil; ware
【医】 apparatus; appliance; crgan; device; organa; organon; organum; vessel