amplifier

audio

balance

concert

console

control

electronic

equalizer

fader

mixing

music

panel

production

professional

remote

slider

sound

broadcast

channel

digital

editing

entertainment

equipment

industry

instrument

producer

recording

soundboard

stereo

switch

technology

engineer

adjustment

button

change

closeup

combination

desktop

flickering

handle

indicator

knobs

lights

microphone

peak

signal

sliders

transmission

board

desk