FiiO FD3 Pro

FiiO FD3 Pro In-ear Earphone:

12mm Dynamic Driver Unit

FiiO FD3 Pro is equipped with a new 12mm dynamic driver unit with a DLC Diamond diaphragm that delivers a powerful performance. The driver is with a robust magnet of 1.5 Tesla magnetic flux paired with an ultra-fine copper-clad aluminum Japanese Daikoku voice coil for an amazingly powerful sound.

Semi-Open Rear Cavity Structure

FiiO FD3 Pro is with a semi-open rear cavity design, maintains the air pressure inside the cavity, and also ensures a comfortable experience by relieving the pressure on the ears.

Front Cavity Acoustic Prism

FiiO FD3 Pro has an acoustic prism equipped in the front cavity that handles timed delays between different sound waves, presenting the users with lower distortion and high-clarity audio signals.

High-Purity Cable

FiiO 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. 

Features:

• Powerful 12mm Dynamic Driver With DLC Diamond Diaphragm.
• Strong 1.5T Magnetic Flux.
• 6-Series Aluminum-Magnesium Alloy Cavities.
• Front Cavity Acoustic Prism Design.
• FiiO’s Patented Air Pressure Relief Technology With Semi-Open Rear Cavity Design.
• Interchangeable Ear Nozzle.
• High-Purity Cable.
• Interchangeable termination plugs in FD3 Pro cable.
• Standard MMCX Connectors(MMCX assist tool included in the package).
• Impedance: 32Ω.
• Frequency Response: 10Hz-40kHz.
• Sensitivity: 109dB@1mW.