@Kevin_Z further more I tested using different music apps as Spotify and pulsar+ chromecasting my group of speakers. On Spotify only the jbl has the crackling interference, on pulsar+ however jbl and...

@Kevin_Z having the same problem here jbl link 10 crackling sounds, more severe when setup in group play, together with my Harman Kardon citation 300, Google Nest hub and Google mini. Only the jbl...