CEDIA 2019: ELAC Debuts the IS AMP 340 3.1 Channel Amplifier for Back-of-TV MountingSeptember 13, 2019 | Home / September 13, 2019 rave-video / CEDIA 2019: ELAC Debuts the IS AMP 340 3.1 Channel Amplifier for Back-of-TV Mounting CEDIA 2019: ELAC Debuts the IS AMP 340 3.1 Channel Amplifier for Back-of-TV Mounting