Due to purchasing a new 65 inch sony oled 4k tv, ive moved my older55 inch sony with playbar to another room, but it will only be used infrequently. Therefore what i would like to do is to disconnect the playbar from that room and use it in the room with the new 4k tv but only for listening to music as the sound from this new tv is excellent . Therefore i want to know if the playbar will work just as a speaker not being connected to a tv. I can connect it to an ethernet cable which goes to my virgin media broadband hub. As the 4k tv only arrived yesterday id like some time to listen to it via its own speakers for a while and then might decide to connect it to the playbar at a later stage if required. Thanks.