Have you tried a full reset of the Phantoms and the Dialog? It might be a dumb question, but have you enabled Bluetooth for both the speakers in Spark?
Have you contacted Devialet about the mysterious 1.14.1.3 firmware?
Edit:
Link to the reset procedure:
https://help.devialet.com/hc/en-us/artic..._site=true
Have you contacted Devialet about the mysterious 1.14.1.3 firmware?
Edit:
Link to the reset procedure:
https://help.devialet.com/hc/en-us/artic..._site=true
Living room: Kii Three/BXT with Control.
Den: Tannoy Precision 8 iDP with TS112 iDP subwoofer.
In the cupboard, waiting for a sibling: 1st gen. Phantom Silver running DOS1
My Phantom Voyage
Den: Tannoy Precision 8 iDP with TS112 iDP subwoofer.
In the cupboard, waiting for a sibling: 1st gen. Phantom Silver running DOS1
My Phantom Voyage