FiiO FD3 In-Ear Monitors – 12mm DLC Dynamic Driver Semi-Open Hi-Res Earphones
The FiiO FD3 is a high-performance in-ear monitor featuring a 12mm Diamond-Like Carbon (DLC) diaphragm driver, engineered to deliver powerful bass, smooth mids, and extended treble with precision. Its semi-open design reduces ear pressure and enhances the soundstage, making it comfortable for long listening sessions while retaining clarity and accuracy for audiophiles and music lovers.
Crafted from lightweight aluminum-magnesium alloy with elegant 2.5D glass faceplates, the FD3 is both stylish and durable. The included interchangeable sound tubes, wide selection of eartips, and a versatile carrying case allow users to customize their listening experience. With its detachable MMCX cable and premium accessory kit, the FD3 is a complete solution for anyone seeking portable high-resolution audio.
This item is available for local pickup in Brampton. (Details)
Authorized dealer. Sold with full warranty.


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Features:
- 12mm DLC Dynamic Driver – provides detailed sound with deep bass and clear highs
- 1.5 Tesla Magnetic Circuit – enhances sensitivity and improves low-frequency impact
- Semi-Open Design – reduces listening fatigue and expands soundstage
- Acoustic Prism Technology – smooths frequency response and optimizes clarity
- Interchangeable Sound Tubes – customize between bass-emphasized or balanced tuning
- Premium Aluminum-Magnesium Build – lightweight, strong, and stylish finish
- Detachable MMCX Cable – allows easy upgrades and long-term usability
- Comprehensive Accessory Pack – includes eartips, carrying case, adapters, and tools
Specifications:
- Driver Type: 12mm Dynamic Driver with Diamond-Like Carbon (DLC) Diaphragm
- Magnetic Flux: 1.5 Tesla
- Voice Coil: Copper-clad aluminum (Daikoku Japan)
- Design: Semi-open with acoustic prism
- Shell Material: Aluminum-magnesium alloy with 2.5D glass faceplate
- Impedance: 32Ω @ 1kHz
- Sensitivity: 111dB/mW @ 1kHz
- Frequency Response: 10Hz – 40kHz
- Weight: ~7g per earbud
- Connector: MMCX
- Cable: 4-stranded 120-core monocrystalline copper, 3.5mm plug
- Included Accessories: Carrying case, multiple eartips, interchangeable sound tubes, cleaning brush, MMCX assist tool
- 1-Year Warranty, administered by FiiO Canada and AVGearShop (international purchases do not include Canadian warranty)
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