Fiio F9 Pro In-Ear Headphones Review
FiiO F9 Pro Pros&Cons Pros Price-point Comfort Almost great sound Value Cons Treble peak FiiO F9 Pro Specs Impedance: 28Ω Driver configuration: Triple hybrid (9.2mm Dynamic driver + 2 Balanced Armature drivers) Frequency response: 15 Hz ~ 40 kHz Sensitivity:…