英文關鍵字
1080p
acoustic
audio
beat
black
boom
circle
closeup
club
cone
dolby
electrical
electronics
energy
entertainment
equipment
fidelity
frequency
inside
large
listening
loud
loudspeaker
macro
membrane
modern
moving
music
musical
object
one
phonic
power
radio
reel
reflection
reproducer
resonance
sound
speaker
stereo
subwoofer
surround
technology
vibration
video
volume
woofer