Skip to content
HearWiki

64 Audio Duo vs FiiO FX17: which should you buy?

Specs, scores and condensed review verdicts for the 64 Audio Duo vs FiiO FX17, side by side. Where a product has no HearWiki score yet, not enough reviews have been aggregated to rate it.

Score breakdown

Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.

FiiO FX17 leads on 3 of 4 measures.

  • 64 Audio Duo
  • FiiO FX17
HearWiki score
-
83
Sound
-
9.0
Value
-
6.0
Price (USD)
$1,200
$1,500

Generation & platform

The scores rank quality. This is the other question: is the newer one actually newer technology, or the same platform in a new shell?

Same generation

The FiiO FX17 is 5 years newer, but it is the same generation of hardware: nothing in the radio, the codecs or the noise cancelling separates them. Nothing separates them on convenience features either, so the choice comes down to tuning and price. For 5 years between them, that is a thin return - treat this as a restyle rather than a new platform.

  • Duo2021
  • FX1720265 yr newer

Specifications

DuoFX17
Type
Wired IEMs
Wired IEMs
Price (USD)
$1,200
$1,500
HearWiki score
Not scored
83
Released
2021
2026
Availability
Discontinued
Sold new
Driver
1DD + 1 tia hybrid
1DD + 4BA + 8EST tribrid
Driver type
hybrid
tribrid
Driver configuration
1DD + 1 tia
1DD + 4BA + 8EST
Driver size
9 mm
10 mm
Drivers per side
2
13
Impedance
9 Ω
16 Ω
Sensitivity
98 dB/mW
99 dB/mW
Active noise cancelling
No
No
Weight
-
12.2 g
Detachable cable
-
Yes
Connector
-
4.4 mm balanced

What reviewers said

64 Audio Duo

This universal-fit hybrid earphone pairs a single dynamic driver for lows with a tia driver for highs, aiming to deliver an airy, open-sounding stage in a compact in-ear design. Its semi-open architecture suits those who crave a spacious, speaker-like feel while staying portable. With a low 9-ohm impedance and 98 dB sensitivity, it pairs easily with most sources.

  • Pro:Open, airy soundstage reminiscent of over-ear headphones
  • Pro:Hybrid driver setup offers clear separation between bass and treble
  • Pro:Lightweight and comfortable for extended listening
  • Con:Semi-open design may leak sound in quiet environments
  • Con:Lacks noise isolation for noisy commutes
  • Con:High price point for a two-driver configuration

FiiO FX17

The FiiO FX17 is a premium wired tribrid IEM that combines a 10mm dynamic driver, four balanced armatures, and eight electrostatic drivers per side for a detailed, multi-layered sound. Its titanium shell and five-way crossover aim to deliver a refined, high-resolution listening experience, while the included 4.4mm balanced cable offers versatility for audiophile setups.

  • Pro:Precision-milled titanium shell for durability and resonance control
  • Pro:Hybrid driver array (1DD + 4BA + 8EST) offers expansive treble and dynamic bass
  • Pro:Swappable plugs on the cable provide flexible connectivity
  • Con:No active noise cancellation, requiring a quiet environment or isolation tips
  • Con:High price point may limit accessibility
  • Con:16-ohm impedance may need a powerful source for optimal performance

Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.

Compare something else

Swap either side out, or start again from the picker.

New comparison64 Audio DuoFiiO FX17