---
product_id: 347124250
title: "FD3 PRO Earphones in-Ear Earbuds High Resolution 1DD Deep Bass Detachable MMCX Connector with 2.5/3.5/4.4mm Plugs DLC Black"
brand: "fiio"
price: "$333.38"
currency: USD
in_stock: true
category: "Fii O"
url: https://www.desertcart.us/products/347124250-fd3-pro-earphones-in-ear-earbuds-high-resolution-1dd-deep
store_origin: US
region: United States of America
---

# Semi-open design for natural, fatigue-free listening DLC diamond diaphragm for ultra-clear sound Detachable MMCX cable with 3 plug options FD3 PRO Earphones in-Ear Earbuds High Resolution 1DD Deep Bass Detachable MMCX Connector with 2.5/3.5/4.4mm Plugs DLC Black

**Brand:** fiio
**Price:** $333.38
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your sound game — because your ears deserve the best.

## Quick Answers

- **What is this?** FD3 PRO Earphones in-Ear Earbuds High Resolution 1DD Deep Bass Detachable MMCX Connector with 2.5/3.5/4.4mm Plugs DLC Black by fiio
- **How much does it cost?** $333.38 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/347124250-fd3-pro-earphones-in-ear-earbuds-high-resolution-1dd-deep)

## Best For

- fiio enthusiasts

## Why This Product

- Trusted fiio brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Acoustic Prism Technology:** Breathe in immersive sound with enhanced wave diffusion and zero time-delay for a breathtaking audio journey.
- • **Sleek & Lightweight Build:** Carry luxury everywhere with a CNC-machined aluminum-magnesium alloy body and elegant 2.5D glass faceplate that turns heads.
- • **Diamond-Like Carbon Driver:** Experience flagship-level clarity with minimal distortion thanks to the ultra-rigid yet lightweight DLC diaphragm.
- • **Semi-Open Balanced Air Pressure:** Enjoy natural sound and protect your ears from fatigue with patented semi-open design balancing internal air pressure.
- • **Premium Monocrystalline Silver-Plated Cable:** Switch seamlessly between 2.5/3.5/4.4mm plugs with a high-purity, ultra-clear audio cable braided for durability and style.

## Overview

The FIIO FD3 PRO earphones deliver flagship-grade audio performance with a 12mm DLC diamond-like carbon dynamic driver, acoustic prism technology, and a patented semi-open design for natural, fatigue-free listening. Featuring a detachable MMCX cable with interchangeable 2.5/3.5/4.4mm plugs made from high-purity monocrystalline silver-plated copper, these earbuds combine cutting-edge engineering with premium materials in a sleek, lightweight aluminum-magnesium alloy body finished with a 2.5D glass faceplate.

## Description

Buy FIIO FD3 PRO Earphones in-Ear Earbuds High Resolution 1DD Deep Bass Detachable MMCX Connector with 2.5/3.5/4.4mm Plugs DLC Black: Earbud Headphones - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- [Flagship-level DLC diamond diaphragm, for an amazing, powerful sound]: The FD3 Pro headphones benefits from the numerous advantages of FiiO's new dynamic driver. The diaphragm is made of Diamond Like Carbon (DLC) which is both impressively rigid and helps to reduce unneeded distortion yet also surprisingly light, allowing the driver to have excellent transient response. The result is a driver with excellent sound quality and minimal distortion with the added bonus of being ultra-sensitive.
- [Flagship-grade acoustic prism, take your breath away]: The acoustic prism so effectively used in the flagship FD5 for great sound quality is also featured in the FD3. Like with the FD5, the acoustic prism system brings numerous benefits such as eliminating high frequency standing waves, enhancing overall sound wave diffusion, and even effectively solving the problem of time delay caused by sound wave propagation path in the cavity. This all leads to marvelous sound quality.
- [Better sound with semi-open design,makes you less tiring and the sound less forced]: The semi-open design of the FD3 based on FiiO's patented technology for balanced air pressure within brings several advantages. Not only does such a design lead to more natural sound, but it also effectively protects your hearing by balancing air pressure within the FD3 leading to less pressure on your eardrums.
- [2.5D film coating glass faceplate] The unique celluloid panel is covered with 2.5D film coating glass for a pure yet fresh transparent look. And the aluminum-magnesium alloy of the body makes the FD3 exceptionally light, making it easier and more pleasurable to carry around. And the aluminum-magnesium alloy main body is made in an industrial process combining five-axis CNC processing and hand polishing.
- [Well-equipped just for you] The FD3 Pro comes with an exclusive cable made of high-purity monocrystalline silver-plated copper, with 8 strands of 19 wires each for a total of 152 wires braided together in Litz Type 2 style. In addition, the cable features left blue and right red markings for convenience as well as interchange audio plugs, allowing you to freely switch between 2.5/3.5/4.4mm plugs depending on your source. With this cable, every music note has never been clearer!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09B2BD5J9 |
| Additional Features | in-ear |
| Age Range Description | Adult |
| Antenna Location | Cycling, Exercising, Running |
| Audio Driver Size | 12 Millimeters |
| Audio Driver Type | Dynamic Driver |
| Best Sellers Rank | #53,571 in Electronics ( See Top 100 in Electronics ) #2,505 in Earbud & In-Ear Headphones |
| Brand Name | FiiO |
| Built-In Media | Cable |
| Cable Features | Detachable |
| Carrying Case Color | Black |
| Carrying Case Material | Aluminium or a material suitable for protecting earphones, possibly black in color |
| Color | FD3 PRO black |
| Compatible Devices | Monitor |
| Connectivity Technology | Wired |
| Control Method | Remote |
| Control Type | Media Control |
| Customer Package Type | [Protective Packaging] |
| Customer Reviews | 3.9 3.9 out of 5 stars (406) |
| Earpiece Shape | Rounded |
| Enclosure Material | Aluminum |
| Frequency Range | 20 Hz - 20,000 Hz |
| Headphone Folding Features | In Ear |
| Headphone Jack | 3.5 mm Jack |
| Headphones Ear Placement | In Ear |
| Impedance | 32 Ohms |
| Is Autographed | No |
| Item Type Name | In-Ear-Monitoring |
| Item Weight | 7 Grams |
| Manufacturer | FIIO |
| Model Name | FD3 Pro |
| Model Number | 6953175740759 |
| Noise Control | None |
| Number of Items | 1 |
| Series Number | 6953175740759 |
| Specific Uses For Product | Sport |
| Style Name | in-ear |
| Theme | Fantasy |
| Unit Count | 1.0 Count |
| Water Resistance Level | Not Water Resistant |
| Wireless Technology | Bluetooth |

## Product Details

- **Brand:** FiiO
- **Color:** FD3 PRO black
- **Ear Placement:** In Ear
- **Form Factor:** In Ear
- **Impedance:** 32 Ohms

## Images

![FD3 PRO Earphones in-Ear Earbuds High Resolution 1DD Deep Bass Detachable MMCX Connector with 2.5/3.5/4.4mm Plugs DLC Black - Image 1](https://m.media-amazon.com/images/I/71MidkvUTiL.jpg)

## Available Options

This product comes in different **Color** options.

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-05*