FiiO FH9 In-Ear Wired Headphones

🧾 Overview / Summary
The FiiO FH9 is the flagship hybrid in‑ear monitor from FiiO, combining a powerful 13.6 mm DLC dynamic driver with six Knowles Balanced Armature drivers in a premium titanium semi‑open housing. With interchangeable sound filters and an exquisite silver cable, it delivers a customizable, fatigue‑free high‑end listening experience.

✅ Key Features
✅ 1 × 13.6 mm DLC dynamic driver for deep, structured bass
✅ 6 × Knowles BA drivers for lush mids and detailed highs
✅ Frequency response: 10 Hz – 40 kHz with excellent resolution
✅ Replaceable tuning filters: Bass / Balanced / Treble
✅ Semi‑open titanium housing for comfort & air pressure relief
✅ High‑purity monocrystalline silver cable with MMCX connectors
✅ Screw‑on interchangeable plugs: 3.5 mm / 2.5 mm / 4.4 mm
✅ Includes extensive ear tip set and premium HB5 storage case

📊 Technical Specifications
Parameter Value
Drivers 1 × 13.6 mm DLC Dynamic + 6 × Knowles BA
Frequency response 10 Hz – 40 kHz
Sensitivity 108 dB/mW
Impedance 18 Ω
Max input power 100 mW
Housing Titanium, semi‑open design
Cable 8‑strand, 28‑core monocrystalline silver
Cable connectors MMCX in stainless steel housings
Plugs 3.5 mm unbalanced, 2.5 mm & 4.4 mm balanced
Case FiiO HB5 hard case
Weight Lightweight and ergonomic

📦 What’s in the Box
📦 FiiO FH9 Hybrid In‑Ear Monitors
🎧 Premium silver cable with MMCX connectors
🔌 Interchangeable plugs: 3.5 mm, 2.5 mm, 4.4 mm
🪄 3 tuning filters: Bass, Balanced, Treble
🪄 Ear tips:
 • Memory foam (M)
 • Vocal tips (S/M/L)
 • Bass tips (S/M/L)
 • Balanced tips (S/M/L)
 • HS18 ultra‑thin silicone tips (S/M/L)
🪄 Cleaning brush
🪄 Cable clip
🛡️ FiiO HB5 premium leatherette case
📄 Quick start guide

🔄 Compatibility
✔ Works with smartphones, DAPs, DACs, and amplifiers
✔ MMCX connectors for cable upgrades
✔ Balanced and single‑ended outputs supported
✔ Compatible with 3.5 mm, 2.5 mm, and 4.4 mm jacks
✔ Includes tuning filters and multiple ear tips for personalized sound

📦✈️ Shipping & Returns
📦 Insured worldwide delivery
🔄 14‑day return policy
🛡️ 1‑year warranty

📝 Reviews
⭐ “FiiO’s flagship IEM brings a sophisticated, customizable sound with remarkable build quality.” — Head‑Fi
⭐ “Outstanding bass and balanced detail thanks to the DLC driver and Knowles BAs.” — MajorHiFi
⭐ “One of the most comfortable and versatile in‑ears I’ve tried at this level.” — Google Review