FiiO FD3 Pro In-Ear Wired Headphones

🧾 Overview / Summary
The FiiO FD3 Pro 2024 is a premium dynamic in-ear monitor built on the foundation of the flagship FD5, offering high-end sound at an affordable price.
It features a Diamond-Like-Carbon (DLC) diaphragm, an acoustic prism, a magnesium/aluminum housing, and a specially developed cable for unmatched clarity and customizable sound.
With interchangeable sound tubes and extensive accessories, it delivers a truly personal listening experience.

✅ Key Features
✅ 12 mm dynamic driver with Diamond-Like-Carbon diaphragm for high rigidity and fast response
✅ Semi-open housing design for balanced, natural sound and ear comfort
✅ CNC-milled aluminum-magnesium body with celluloid and 2.5D glass finish
✅ Two interchangeable sound tubes for bass-heavy or clear sound tuning
✅ Specially developed silver-plated monocrystalline copper cable with swappable 3.5 mm and 4.4 mm plugs
✅ Magnetic flux of 1.5 Tesla and Daikoku voice coil for powerful, detailed sound
✅ MMCX connectors for easy cable replacement and upgrades
✅ Rich accessory pack with tips, case, cleaning brush, and MMCX tool

📊 Technical Specifications
Parameter Value
Driver 12 mm dynamic
Diaphragm Diamond-Like-Carbon (DLC)
Housing CNC aluminum-magnesium with celluloid & glass
Frequency response Not specified
Impedance Not specified
Sensitivity Not specified
Cable 152‑strand silver‑plated monocrystalline copper
Cable connectors MMCX
Audio plugs 3.5 mm SE & 4.4 mm balanced (interchangeable)
Weight Not specified
Sound tubes 2 interchangeable (red = bass, black = clear)

📦 What’s in the Box
📦 FiiO FD3 Pro 2024 in-ear monitors
🎧 Specially developed cable with MMCX & swappable plugs
🔌 3.5 mm and 4.4 mm plugs
🎯 2 sound tubes (bass & clear)
👂 3 pairs Balanced ear tips (S/M/L)
👂 3 pairs Bass‑tuned ear tips
👂 3 pairs Vocal‑enhanced ear tips
👂 2 pairs Foam ear tips
🪥 Cleaning brush
🔗 MMCX assist tool
👜 Carrying case
📖 User manual

🔄 Compatibility
✔ Compatible with smartphones, DAPs, PCs, and DAC/Amps via 3.5 mm & 4.4 mm
✔ MMCX connectors support cable upgrades or replacement
✔ Works with balanced and single-ended headphone outputs
✔ Ear tips in multiple styles and sizes for a perfect fit

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

📝 Reviews
⭐ “Excellent build, incredible tuning flexibility — a true pro-level IEM at a very fair price.” — Head-Fi community
⭐ “The DLC diaphragm and semi‑open design deliver a very natural and powerful sound.” — Reviewer, Audio Blogs
⭐ “Versatile, comfortable, and full of accessories. One of the best in its class.” — Verified Buyer