Audio.
a loudspeaker enclosure that totally separates sound emanating from the rear of the speaker cone from sound emanating in front, so as to prevent mutual interference.
Audio.
a loudspeaker enclosure that totally separates sound emanating from the rear of the speaker cone from sound emanating in front, so as to prevent mutual interference.
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012