Hi @EastClintwood, German or English? I`ll just go ahead in english but if you want, you can respond in German. First of all thanks for responding in the first place!! I think this can`t have anything to do with the PC Internal Bluetooth, since i am not connected to that. It is a Wireless Headset with a separate USB-Bluetooth dongle. Power settings are on "beste Leistung". Troubleshooting Session sais everything is fine. No - The problem also accurs when there is only one audio source active. Though its cracking significantly less. Edit: although it seems to start getting bad once there are more than one Audio source going on. Its really weird to me, that after a reboot - everything works without any issue! Best, Julian
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