Bluetooth Audio is NOT supported.
Connect using a USB cable* or audio cable** when outputting the playback sound of your computer or mobile device from the GT-1000 or GT-1000CORE.
*Only available when connected to a computer. Install the USB driver that supports the OS you use.
**Connect it to the RETURN jack using an audio cable that does not contain a built-in resistor. To use RETURN 1 and 2 in stereo, turn the SEND/RETURN stereo link on.