abstract

amplifier

audio

background

black

board

broadcast

channel

club

concert

console

control

desk

digital

display

electronic

electronics

equalizer

equipment

fader

futuristic

instrument

level

line

listen

media

mix

mixer

mixing

monitor

music

musical

panel

player

production

professional

radio

record

science

sound

spectrum

stereo

studio

technology

television

video

volume