I put 2 1:1 audio transformers into my V4 and put 2 mono jacks on the back that I run to a $7 usb sound card on my pc. I ran the nano’s usb to a connector on the back for CAT.
I put ferries on the usb and audio lines to the PC.No issues with audio levels. The power slider on WSJT-x adjusts the level from the PC, and the volume adjusts the level to the PC.-- John Faivre WA9SGD
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