FiiO FX15 In-Ear Wired Headphones

🧾 Overview / Summary
The FiiO FX15 is a premium hybrid in-ear monitor featuring an innovative six-driver setup, including FiiO’s first use of electrostatic (EST) drivers.
Designed for audiophiles, it delivers exceptional resolution, balanced sound, and a unique “Sound & Shape” design for both style and comfort.
With switchable EST drivers, patented acoustic architecture, and a high-purity silver cable, the FX15 is crafted for ultimate musical enjoyment.

✅ Key Features
✅ Hybrid configuration: 4 electrostatic + 1 dynamic + 1 balanced-armature driver
✅ FiiO’s first IEM with SONION EST drivers for extended, detailed highs
✅ Switchable EST drivers to tailor the high-frequency response
✅ Patented S.Turbo acoustic architecture enhances low-frequency performance
✅ Professional tuning for balanced, high-resolution sound
✅ Lightweight, ergonomic DLP 3D-printed resin shells
✅ Unique “Sound & Shape” designer look
✅ High-purity 224-core sterling silver cable with modular 3.5mm & 4.4mm connectors

📊 Technical Specifications
Parameter Value
Drivers 1× 10 mm DLC Dynamic + 1× Knowles BA + 4× SONION EST
Frequency response 20 Hz – 40 kHz
Impedance 24 Ω @ 1 kHz
Sensitivity 103 dB/mW
Cable 224-core high-purity sterling silver
Connectors MMCX
Plugs included 3.5 mm & 4.4 mm interchangeable
Shell material High-precision 3D-printed resin
Design theme Sound & Shape

📦 What’s in the Box
📦 FiiO FX15 in-ear monitors
🔌 High-purity 224-core sterling silver MMCX cable
🔗 Interchangeable plugs: 3.5 mm + 4.4 mm
👂 Multiple ear tips (not specified but expected)
📖 User manual & documentation

🔄 Compatibility
✔ Works with DAC/amps, smartphones, DAPs via 3.5 mm & 4.4 mm outputs
✔ Compatible with MMCX upgrade cables
✔ Suitable for balanced & single-ended setups
✔ Fits comfortably for extended sessions thanks to lightweight ergonomic shells

📦✈️ Shipping & Returns
📦 Insured worldwide delivery
🔄 14-day return policy
🛡️ 2-year EU warranty

📝 Reviews
⭐ “A spectacular showcase of FiiO’s engineering — lush, detailed, and endlessly customizable.” — Head‑Fi community
⭐ “Beautiful to look at and even better to hear — the switchable EST drivers are a game changer.” — Audiophile Blog
⭐ “High-end sound and craftsmanship at a fraction of flagship prices.” — Verified Buyer