A New Movement in Sound: The OAK Series Debut

OAK NANO draws inspiration from classic wristwatch aesthetics, combining watch-grade craftsmanship with a pure titanium CNC-machined shell. This flagship product offers an elegant, mirror-finished design built to stand the test of time.

13.8mm External Magnet Driver

Building on the legacy of the FD7, the OAK NANO steps up to a larger 13.8mm driver with an enlarged and thickened magnet. Magnetic flux density reaches nearly 1.5T within the voice coil gap, with distortion as low as 0.1% even at 114dB SPL. This immense magnetic force provides raw driving power for greater amplitude and superior transient response, delivering a remarkably full-bodied and authoritative sound.

Cryo-Treated Silver-Plated Cable

The OAK NANO features a 6N monocrystalline copper cable with silver-plated conductors, subjected to over 100 hours of deep cryogenic treatment at -192°C. This liquid nitrogen process releases internal stresses within the metal, optimizing the microstructure for smoother and more natural audio signal transmission. The result is a conductor of exceptional purity that preserves every detail of your music.

High-Flux Magnetic Control

Upgraded with a 13.8mm driver and a larger magnet, the OAK NANO reaches a magnetic flux density of nearly 1.5T. This immense force ensures powerful driver control and maintains distortion as low as 0.1% even at 114dB SPL, delivering exceptional transient response.

Precision Acoustic Tuning

Features the Acoustic Prism system to correct phase and eliminate time-lag for refined clarity. Includes dual swappable nozzles (Red/Black) with varying damping densities to allow users to switch between atmospheric bass or detailed treble profiles.

Seamless 3-Plug Connectivity

Designed for flexibility, it features a 0.78mm 2-pin detachable cable with 3.5mm, 4.4mm, and Type-C swappable plugs. The Type-C plug integrates a BES3001-SP DSP chip for 32-bit/384kHz Hi-Res decoding and 8-band PEQ tuning.

Premium accessories

OAK NANO comes standard with 22 pairs of eartips in a variety of styles, along with a newly designed carrying case. Everything you need, right out of the box-no afterthoughts required.

Technical Details

Headphone type
Single dynamic driver in-ear monitor
Wearing style
Over-the-ear
Driver
Beryllium-coated dynamic driver
Frequency response
10Hz–40kHz
Impedance
50Ω @ 1kHz
Sensitivity
112dB/mW @ 1kHz
Cable
Cryogenically treated silver-plated monocrystalline copper
Cable length
Approx. 1.2m
Single earbud weight
Approx. 8.9g (excluding cable)
Connector type
0.78mm 2-pin
Audio plug
Straight, twist-lock swappable plug
Inside the Box
  • OAK NANO x 1 Pair
  • NEST CUBE storage case x 1
  • Cryogenically treated silver-plated monocrystalline copper cable with swappable plugs x 1
  • 3.5/4.4mm swappable plug x 1 (4.4mm plug pre-installed)
  • Type-C digital audio swappable plug x 1
  • Swappable nozzles x 2 pairs (black nozzles pre-installed)
  • Foam eartips x 2 pairs (M), Bass eartips x 3 pairs (S/M/L), Balanced eartips x 3 pairs (S/M/L) (M pre-installed), Vocal eartips x 3 pairs (S/M/L), Dual-flange eartips x 2 pairs (M)
  • Magnetic cable clip x 1
  • Cleaning brush x 1
  • SpinFit eartips x 3 pairs (S/M/L)
  • HS18 eartips x 3 pairs (S/M/L)
  • HS20 liquid silicone eartips x 3 pairs (S/M/L)
  • OAK NANO packaging box x 1
  • Quick start guide x 1

30-Day Return Policy

You may return any non-customized product that is still factory sealed, within 30 days upon receiving it. For items that are damaged, incorrect, or faulty upon delivery, Linsoul will assess the issue and provide a solution accordingly.

1 Year Warranty

The FiiO OAK NANO Comes with a 1 year warranty on the In-Ear Monitors and 3 month warranty on the cable.

Processing Time

This product is in Pre-order period. Pre-orders are provided for items that have not reached us and will take some time to be shipped out.

Pre-order Period:

  • No ETA. Subject to manufacturer updates.

Note:

  • No cancellation of orders once ordered.
  • All orders to be shipped out sequentially.

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