Can you use the Alexa Equalizer and Alexa Sound Modes on the Polk Command Bar?

audiofan20

Refer to posted question above - according to the Alexa Developer Site, Alexa's Equalizer and Sound Modes features work with the Polk Command Bar - I just want to get clarification if this is correct and how it works: https://developer.amazon.com/blogs/alexa/post/d7089b95-798b-42e5-9966-69b4cf1939e0/alexa-crank-up-the-bass-announcing-equalizer-and-sounds-mode-controls-for-smart-home-entertainment-devices