ISE 2019: Alcons Audio Previews the QR-20 Column Speaker for Reverberant Rooms

February 12, 2019 | Home / February 12, 2019 rave-video / ISE 2019: Alcons Audio Previews the QR-20 Column Speaker for Reverberant Rooms

ISE 2019: Alcons Audio Previews the QR-20 Column Speaker for Reverberant Rooms