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

On aggregated review scores the Campfire Audio Alien Brain - Hybrid IEM comes out ahead with an HearWiki score of 84. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: Campfire Audio Alien Brain - Hybrid IEM - Great overall at around $999.

Score breakdown

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

Campfire Audio Alien Brain - Hybrid IEM
Sound8.5
Value7.5
Campfire Audio Fathom
Sound8.5
Value7.0

Specifications

Specification comparison of Campfire Audio Alien Brain - Hybrid IEM vs Campfire Audio Fathom
SpecCampfire Audio Alien Brain - Hybrid IEMCampfire Audio Fathom
TypeWired IEMsWired IEMs
Price (USD)$999$799
HearWiki score84 / 100 · Great82 / 100 · Great
Released20242023
Audio
Driverhybrid6 custom balanced armature drivers
Driver size10 mm-
Drivers per side56
Frequency response5Hz-20kHz5Hz-20kHz
Impedance7.8 Ω11.7 Ω
Sensitivity94 dB/mW94 dB/mW
Wireless
Multipoint pairing-No
Features
Active noise cancelling-No
Controls-none
Design
Detachable cable-Yes
USB-CYesNo

What reviewers said

Campfire Audio Alien Brain - Hybrid IEM

The Campfire Audio Alien Brain is a five-driver hybrid IEM that pairs a dynamic driver with four balanced armatures for a warm, engaging, and highly detailed sound. Its tuning is cohesive and broadly appealing, offering controlled bass, natural mids, and smooth treble, all within a compact, ergonomic shell that's easy to drive. This premium set stands out for its fun yet balanced character, making it a versatile choice for a wide range of listeners.

  • Pro:Detailed and controlled bass response
  • Pro:Warm, engaging, and musical tuning
  • Pro:Compact and ergonomic design
  • Con:Low impedance may require a good source
  • Con:Sensitivity is on the lower side
  • Con:Price point is premium

Campfire Audio Fathom

The Campfire Audio Fathom is a six-driver all-balanced-armature IEM that delivers a refined, balanced sound with a warm, detailed midrange and precise imaging. It's easy to drive thanks to its low impedance, making it a versatile choice for audiophiles seeking a polished, emotionally engaging listen without aggressive tuning. Its strengths unfold gradually, rewarding patient listeners with a smooth, layered presentation that feels like a mature evolution of the brand's signature sound.

  • Pro:Rich, warm midrange with strong vocal presence
  • Pro:Excellent imaging and layered detail retrieval
  • Pro:Easy to drive with most sources due to low impedance
  • Con:No controls or microphone on cable
  • Con:Lacks noise cancellation for on-the-go use
  • Con:Needs extended listening to fully appreciate its character

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

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New comparisonCampfire Audio Alien Brain - Hybrid IEMCampfire Audio Fathom