FiiO FD11 In-Ear Wired Headphones

🧾 Overview / Summary
The FiiO FD11 is a beautifully crafted dynamic IEM featuring a 10 mm dual‑chamber carbon‑based driver.
With asymmetrical magnetic circuits and a C‑shaped acoustic flute design, it delivers clean vocals, rich bass, and a detailed, Hi‑Res Audio‑certified sound in an ergonomic, zinc alloy shell.

✅ Key Features
✅ 10 mm dual‑chamber dynamic driver with carbon‑based diaphragm
✅ Asymmetrical internal/external magnetic circuits for powerful response
✅ C‑shaped acoustic flute for improved bass and reduced resonance
✅ Fine‑tuned frequency response with natural mids and smooth treble
✅ Ergonomic zinc alloy shells with premium craftsmanship
✅ High‑quality OFC copper cable with 0.78 mm 2‑pin connectors
✅ Includes premium HS18 silicone ear tips for comfort and seal
✅ Hi‑Res Audio certified

📊 Technical Specifications
Parameter Value
Driver 10 mm dynamic (dual‑chamber, carbon‑based diaphragm)
Frequency response 20 Hz – 20 kHz
Impedance 24 Ω @ 1 kHz
Sensitivity 111 dB/mW
Connector type 0.78 mm 2‑pin
Terminating plug 3.5 mm gold‑plated
Cable material 4‑core OFC copper, 120 strands per core
Weight (per earphone) Not specified
Shell material Zinc alloy

📦 What’s in the Box
📦 FiiO FD11 earphones
🔌 OFC copper cable (3.5 mm, 0.78 mm 2‑pin)
🧽 Premium HS18 silicone ear tips
📖 User manual

🔄 Compatibility
✔ Works with smartphones, DAPs, DAC/amps with 3.5 mm jack
✔ Compatible with 0.78 mm 2‑pin upgrade cables
✔ Ideal for vocals, pop, and acoustic genres
✔ Hi‑Res Audio certified for lossless playback

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

📝 Reviews
⭐ “Great value for money with exceptional vocal clarity and a premium build.” — Head‑Fi
⭐ “The FD11 delivers detail and musicality in a very affordable package.” — Audiophile Blog
⭐ “Solid bass, clear mids, and fatigue‑free treble. Recommended.” — Verified Buyer