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FiiO FD15 13.8mm Hi-Res DLC Dynamic Driver In-Ear Earphone

FiiO FD15 13.8mm Hi-Res DLC Dynamic Driver In-Ear Earphone

Regular price $149.99 USD
Regular price $149.99 USD Sale price $149.99 USD
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FiiO FD15 Dynamic IEMs

Key Features

  • 13.8mm Large Dynamic Driver: Features a magnalium diaphragm DLC gasket driver for high hardness and low distortion.
  • W-Shaped Gasket: Increases effective vibrating area by 30%, enhancing sound energy and providing a denser listening experience.
  • Frontal Acoustic Prism: Adaptive phase adjustment for enhanced high-frequency diffusion.
  • Φ8.6mm Long Voice Coil: Lengthened by 1.38 times compared to the predecessor, boosting driver power by 78%.
  • 1.5T External Magnet Design: Increases magnet volume by 69.5%, providing up to 1.5T high magnetic flux.
  • Tesla Valve Patented Bass Enhancement: New patented design for deep, high-quality bass (Patent number: ZL2024203547620).
  • 316L Stainless Steel Shell: Durable and robust construction.
  • Furukawa Monocrystalline Cable: Includes Furukawa monocrystalline silver + Furukawa monocrystalline silver-plated copper braided headphone cable.
  • Hi-Res Audio Certified: Ensures high-resolution audio quality.

Description

With the FD15, FiiO introduces a high-end driver design featuring a magnalium diaphragm DLC gasket driver. This combination delivers spacious, natural sound while achieving new heights in musical detail reproduction. The magnalium diaphragm blends magnesium and aluminum for high hardness and low distortion, while the DLC gasket offers rigidity and flexibility for higher-quality sound.

The FD15 also features a W-shaped gasket, increasing the effective vibrating area by 30%, and an 8.6mm long voice coil, boosting driver power by 78%. The 1.5T external magnet design ensures consistent performance, and the Tesla Valve patented bass enhancement technology provides deep, high-quality bass.

Constructed from 316L stainless steel, the FD15 is durable and robust. The included Furukawa monocrystalline cable enhances high-frequency nuances for an outstanding sonic experience. The FD15 comes with two pairs of swappable sound nozzles, allowing you to customize the sound to your taste and music preferences.

Specifications

  • Driver: 13.8mm large dynamic driver with magnalium diaphragm and DLC gasket
  • Gasket: W-shaped, 30% increase in effective vibrating area
  • Voice Coil: Φ8.6mm long, 1.38 times longer than predecessor
  • Magnet Design: 1.5T external magnet with 69.5% increased volume
  • Bass Enhancement: Tesla Valve patented technology
  • Shell Material: 316L stainless steel
  • Cable: Furukawa monocrystalline silver + Furukawa monocrystalline silver-plated copper braided
  • Hi-Res Audio: Certified
  • Accessories:
    • Earphones x1
    • Earphone cable x1
    • Balanced eartips S/M/L x3 pairs (M pre-installed)
    • Vocal eartips S/M/L x3 pairs
    • Bass eartips S/M/L x3 pairs
    • Foam eartips M x2 pairs
    • HS18 eartips S/M/L x3 pairs
    • Storage case HB11 x1
    • MMCx quick release tool x1
    • Cleaning brush x1
    • 3.5/4.4mm swappable plugs x1
    • Red/Black swappable sound nozzles x2 pairs
    • Quick start guide x1

Shipping & Returns

  • Free Standard full searchable Shipping
  • DDP(Delivered Duty Paid) Services, No payment on receiption
  • Free 7-Day Return Policy!

⚠️ Important Notice: EU Customs Reform Effective 1 July 2026

A new tariff system will take effect across all 27 EU member states starting 1 July 2026. The EU is abolishing the duty exemption for low-value parcels — all goods entering the EU will now be subject to customs duties, including a fixed duty of €3 per HS tariff code category for IOSS-declared goods under €150.

A handling surcharge of USD $5 has been applied to all standard shipments to EU countries on orders under $500. Orders over $500 qualify for free expedited shipping.


Shipping Fees & Couriers

We collaborate with the following courier companies:

  • Standard Shipping: Yunexpress, 4PX, NinjaVan
  • Special Country Channels: India – Yitong Express | United Kingdom – Royal Mail | Japan – Sagawa Global Transportation
  • Express Shipping (orders over $500 ship free): DHL Express, FedEx, UPS, SF Express

In the event that a shipment is refused, undeliverable, or returned to sender, HiFiCat will process a refund to the original payment method. If a customer requests reshipment, a reshipment fee will apply. A restocking fee of up to 20% may also apply.


Shipping Rates & Estimated Delivery Times

1. France, Germany, United Kingdom, Italy, Spain, Poland

All taxes and duties are prepaid (DDP). 5–10 working days. Free standard shipping.

Tracking examples:

2. EU 27 Countries (Standard Shipping)

Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, Finland, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Cyprus

All taxes and duties are prepaid (DDP). 10–15 working days.
💰 Shipping cost: $5.00 USD (orders $0–$500) | Free (orders $500+, via DHL Express)

Tracking examples:

3. Other European Countries (Free Standard Shipping)

Norway, Switzerland, Ukraine, Armenia, North Macedonia, Moldova, Monaco, San Marino, Vatican City, Serbia, Albania, Kosovo, Montenegro, Bosnia & Herzegovina, Belarus, Georgia, Andorra, Guernsey, Jersey, Faroe Islands, Svalbard & Jan Mayen, Guadeloupe, Réunion, Gibraltar, Isle of Man, Mayotte, Iceland, Liechtenstein, Turkey

All taxes and duties are prepaid (DDP). 10–15 working days. Free standard shipping.

4. Americas

5. Oceania

6. Asia


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