Flagship Single Dynamic Driver IEM

The FiiO OAK NANO is a premium single dynamic driver in-ear monitor designed to deliver exceptional detail, natural timbre, and flagship-level performance. Featuring a custom 13.8mm beryllium alloy dynamic driver, precision-machined titanium housing, interchangeable tuning nozzles, and a premium modular cable system, the OAK NANO combines advanced acoustic engineering with everyday versatility.

Two Interchangeable Sound Signatures

Tailor the sound to your personal preference with the included interchangeable tuning nozzles.

Red Nozzle

Fuller bass response
Warmer presentation
Ideal for pop, rock, EDM and modern music

Black Nozzle

Greater clarity
Enhanced treble extension
Excellent detail retrieval
Perfect for classical, jazz and acoustic recordings

Premium Modular Cable System

The included high-purity silver-plated 6N OCC monocrystalline copper cable is designed to preserve every musical detail while providing excellent durability.

The modular plug system includes 3.5mm, 4.4mm and Type-C

The included USB-C DSP adapter features an integrated high-resolution DAC with support for up to 32-bit / 384kHz PCM playback.

Using the FiiO Control app, users can access an 8-band Parametric EQ to fine-tune the sound signature to their personal preferences.

Specifications

* Driver: 13.8mm Dynamic Driver
* Diaphragm: Beryllium Alloy Dome
* Housing Material: CNC-Machined Titanium
* Cable Connector: 0.78mm 2-Pin
* Included Audio Plugs: 3.5mm, 4.4mm Balanced, USB-C DSP
* USB-C DSP Resolution: Up to 32-bit / 384kHz PCM
* Parametric EQ: 8-Band PEQ
* Hi-Res Audio Certified