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Used / open-box FiiO OAK NANO IEM reference image
  • Used / open-box FiiO OAK NANO IEM reference image
Used / Open-Box FiiO OAK NANO IEM

Used / Open-Box FiiO OAK NANO IEM

Reference price $389.00

Reference price is for price anchoring only. Final quote depends on condition, accessories, version, stock, and destination.

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  • Unit details confirmed before offer
  • Lab-inspected before dispatch
  • DOA support and repair path available

Product overview

The FiiO OAK NANO is an IEM for compact in-ear listening with portable audio gear. HiFiLoop uses this page as a focused model page for used / open-box private-quote requests.

Key features

  • Single dynamic driver in-ear monitor and the first model in the SNOWSKY OAK Series.
  • 13.8mm external-magnet dynamic driver uses a beryllium alloy dome diaphragm for fast transient response.
  • Pure titanium CNC-machined shell and watch-inspired design support a durable premium build.
  • Acoustic Prism front chamber and airflow-controlled damped rear chamber help manage phase, bass, and resonance.
  • Dual swappable tuning nozzles provide two sound profiles for different listening preferences.
  • 0.78mm 2-pin detachable cable includes 3.5mm, 4.4mm, and Type-C DSP plug options with 8-band PEQ support.

Key specifications

Product type Single dynamic driver IEM
Driver 13.8mm external-magnet dynamic driver
Diaphragm Beryllium alloy dome diaphragm
Shell Pure titanium CNC-machined shell
Acoustic design Acoustic Prism front chamber; airflow-controlled damped rear chamber
Tuning Dual swappable tuning nozzles
Cable Cryo-treated silver-plated monocrystalline copper cable
Connector 0.78mm 2-pin detachable cable
Plugs 3.5mm single-ended, 4.4mm balanced, and Type-C DSP decoding plugs
DSP plug BES3001-SP DSP audio decoding chip with 32-bit / 384kHz PCM support and 8-band PEQ

A-Class confirmation guide

What is reviewed before a reference page moves forward.

These notes explain how lab checks, condition records, shipping boundaries, and sourcing requests are handled before manual confirmation.

01 / Lab check

Pre-Listing Lab Check

Function and condition are checked before confirmation.

02 / Condition and kit

Condition & Kit Recorded Separately

Condition is not a shortcut for every detail.

03 / Request details

Details to Share

Send the details needed for review.

04 / Sourcing path

Manual Confirmation & Sourcing Path

Start the request before confirmation.

What this listing means

This is a used / open-box reference page for this model. The exact unit, included kit, timing, and support terms are confirmed before payment.

Before you make an offer

  • Check the exact unit photos and condition notes
  • Confirm included accessories and version details
  • Use the final quote as the decision point

Inspection & condition

Function, cosmetics, accessories, and known limitations are reviewed for the exact unit before dispatch.

Shipping & support

Processing is normally 3-5 business days after confirmation. International delivery is commonly 7-15 days; DOA and repair support are confirmed by destination.

What does Reference price mean?

It is a price anchor for comparison. It is not the final quote.

Is this exact unit ready to ship?

Not from this page alone. HiFiLoop confirms the exact unit and timing before payment.

Can HiFiLoop help me find another unit?

Yes. Share the target model, preferred condition, budget range, and destination so HiFiLoop can look for a suitable unit.

Need confirmation

Confirm the exact unit before the final decision.

Send an offer, sourcing request, or availability check when you want exact-unit photos, accessories, condition notes, and quote details.

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