英文關鍵字
amp
amplification
amplifier
amplify
audio
background
bass
black
blues
button
cabinet
cable
classic
closeup
combo
connection
control
electric
electrical
electronics
equipment
gold
guitar
input
isolated
knob
loud
music
musical
nobody
one
panel
path
performance
plug
power
reflection
rhythm
rock
roll
single
solo
sound
speaker
switch
tone
tuner
tuning
volume
white