Fiio M9 HIFI Music Player In-depth Review

Fiio is very active in the portable player market. It launched three players last year: M7, M3K and M9, positioning differently in the products line. M7 for ~$150, M3K for the student market under $100, and M9 is mainly for entry level audiophiles at $300. Last year, Fiio abandoned the X-Series, changed to the M-Series for branding transform. Fiio M9 is a step further from M7. The configuratio...