Like one of the other reviewers, I'm using this power filter together with a Matrix Element H USB card. The reason I bought this filter is because I read that the Element H uses motherboard power for its internal electronics and the on-board clock. The external power input only provides power for the USB port. This made me suspect that there was a lot of untapped potential in the Element H if you gave it cleaner power from the motherboard itself. Judging by what I'm hearing, that assumption was correct. The computer is a gaming PC, using a Asus Rog Strix B650E-F motherboard with Ryzen 7600X a Radeon 7800 XT Graphics card.
I placed the power filter one port above the Matrix Element H as recommended by other reviewers. The effect is a more detailed sound, both in surface texture of instruments like strings, but also improved separation in busy parts. The dynamic punch is also clearly better. The difference is obvious and appreciated. Given the price of this power filter, I think this is a cost effective solution. If you're serious enough about sound that you're using a separate USB card, I think this Elfidelity AXF-107 filter is highly recommended. You will most likely also hear an improvement.






