Question 1

Which is better, FINIS Duo or Sony NW-WS413?

Accepted Answer

Based on our testing, the FINIS Duo scores higher overall at 8.9/10. The FINIS Duo scored 8.9/10 and the Sony NW-WS413 scored 8.2/10 in our Best Waterproof MP3 Players for Swimming 2026 evaluation.

Question 2

Is the FINIS Duo worth it over the Sony NW-WS413?

Accepted Answer

The FINIS Duo scores 8.9/10 while the Sony NW-WS413 scores 8.2/10. The FINIS Duo is our "Best Overall" pick in the Best Waterproof MP3 Players for Swimming 2026 category.

FINIS Duo vs Sony NW-WS413: Which to Buy?