Does your 204 give a popping sound when during power off or on? You mentioned using your "hacked USB cable to supply 5V and GND from a dedicated adapter" with your 204. Does the hacked USB cable keep your 204 powered all the time even if it is not receiving signal from the PC?
It's my HSU VTF3mk2 that is the issue with the 2i4. I hear the pops on my monitors when the 2i4 is powered on/off but if the subwoofer is on or in standby, it will make a very loud pop. The sub doesn't have the issue when connected to home receivers and my Topping VX1.
Awesome info here guys! I am considering the Fulla 2 to replace a Focusrite 2i4 that I currently use to connect a Phillips 9500 headphones, powered monitors, and to the L/R low level inputs of a subwoofer.
One issue that I get with the Focusrite 2i4 1st gen is a popping sound it makes when it...
I think I have the same RAM as you except that I have the 2x4GB kit. After upgrading my AB350M Pro4 to BIOS 2.50, my Vengeance LPX 8GB (2x4GB) DDR4 DRAM 3000MHz (CMK8GX4M2B3000C15) can now run with its XMP Profile of 15-17-17-35 @ 2933. You can try reloading the defaults and try the settings...