And if you chase maximum audio quality? Replace the F998 entirely. Its 90dB SNR and 16-bit max depth (despite software claiming 24-bit) mean it will never sound high-end. But for a $10-15 card, the (warts and all) unlocks 80% of the features you thought you were getting.
The F998 is designed so you don't need software to change your sound. Most features are physical buttons on the face of the card: f998 sound card software