Integrate 2016: Sonix Audio Features Its ZL1-BT In-Ceiling Bluetooth Speaker August 23, 2016 | Home / August 23, 2016 rave-video / Integrate 2016: Sonix Audio Features Its ZL1-BT In-Ceiling Bluetooth Speaker Integrate 2016: Sonix Audio Features Its ZL1-BT In-Ceiling Bluetooth Speaker