Trying to cast to my Vizio soundbar, model SB3651-E6. It has built in chromecast. The TV and Blu Ray player hooked to the soundbar are older so have no chromecast capability. The Vizio soundbar automatically updates firmware, which it did do when I purchased and installed it, but have no way of manually checking for additional updates.
So I cast to the soundbar as if it was a stand alone smart speaker with built in chromecast. I have been casting to it with Google Play Music from my cell phone, so casting to this device is working.
I am starting Poweramp on my phone and playing m