ISE 2018: ELAC Debuts Its Discovery Z3 Wireless Speaker Integrated with ROON February 13, 2018 | Home / February 13, 2018 rave-video / ISE 2018: ELAC Debuts Its Discovery Z3 Wireless Speaker Integrated with ROON Look in: ISE ISE 2018: ELAC Debuts Its Discovery Z3 Wireless Speaker Integrated with ROON