My Home RTX is noisy or it is buzzing.

The Miccus Home RTX is a high powered transmitter and receiver, and it may cause radio interference with your stereo amplifier. Try moving the Home RTX away from your audio amplifier.
The Miccus Home RTX can be powered from your computer's USB port. Should you choose to use your computer as the USB power source for your Home RTX, you may experience interference noise in your audio stream. For a number of reasons, NOT ALL USB SOURCES PROVIDE CLEAN POWER. Try using a different USB port for power or use the suppled AC to USB wall adapter.