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Campfire Audio Alien Brain - Hybrid IEM vs FiiO FX17: which should you buy?

On aggregated review scores the FiiO FX17 comes out ahead with a HearWiki score of 83. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: FiiO FX17 - Outstanding overall at around $1499.

Score breakdown

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

Neither pulls ahead overall - they trade wins across the measures.

  • Campfire Audio Alien Brain - Hybrid IEM
  • FiiO FX17
HearWiki score
69
83
Sound
8.1
9.0
Value
6.4
6.0
Price (USD)
$1,000
$1,500

Specifications

Alien Brain - Hybrid IEMFX17
Type
Wired IEMs
Wired IEMs
Price (USD)
$1,000
$1,500
HearWiki score
69
83
Released
2024
2026
Availability
Discontinued
Sold new
Driver
5-driver hybrid
1DD + 4BA + 8EST tribrid
Driver type
hybrid
tribrid
Driver configuration
-
1DD + 4BA + 8EST
Driver size
10 mm
10 mm
Drivers per side
5
13
Frequency response
5 Hz - 20 kHz
-
Impedance
7.8 Ω
16 Ω
Sensitivity
94 dB/mW
99 dB/mW
Active noise cancelling
-
No
Weight
-
12.2 g
Detachable cable
-
Yes
USB-C
Yes
-
Connector
MMCX
4.4 mm balanced

What reviewers said

Campfire Audio Alien Brain - Hybrid IEM

The Campfire Audio Alien Brain is a five-driver hybrid IEM that blends a robust low end with natural mids and a smooth, detailed treble, offering a balanced yet engaging sound. Its low impedance and high sensitivity make it easy to drive from most sources, while the compact build and generous accessory set add to its premium appeal. Overall, it presents a cohesive, musical tuning that should satisfy a wide range of listeners.

  • Pro:Balanced, broadly appealing tuning
  • Pro:Strong yet controlled bass
  • Pro:Easy to drive with any source
  • Con:Low impedance may hiss with some sources
  • Con:Not for those seeking a radical sound signature
  • Con:Premium price point

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

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New comparisonCampfire Audio Alien Brain - Hybrid IEMFiiO FX17