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Campfire Audio Astrolith - Dual Planar IEM vs FATFreq Grand-Maestro: which should you buy?

Specs, scores and condensed review verdicts for the Campfire Audio Astrolith - Dual Planar IEM vs FATFreq Grand-Maestro, 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.

Campfire Audio Astrolith - Dual Planar IEM leads on 4 of 4 measures.

  • Campfire Audio Astrolith - Dual Planar IEM
  • FATFreq Grand-Maestro
HearWiki score
77
-
Sound
9.0
-
Value
6.4
-
Price (USD)
$2,200
$3,600

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

Campfire Audio Astrolith - Dual Planar IEM (2024) against FATFreq Grand-Maestro (2023). These are 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.

  • Astrolith - Dual Planar IEM20241 yr newer
  • Grand-Maestro2023

Specifications

Astrolith - Dual Planar IEMGrand-Maestro
Type
Wired IEMs
Wired IEMs
Price (USD)
$2,200
$3,600
HearWiki score
77
Not scored
Released
2024
2023
Availability
Discontinued
Discontinued
Driver
2× 14.2 mm planar magnetic
-
Driver type
planar
-
Driver size
14.2 mm
-
Drivers per side
2
-
Frequency response
5 Hz - 25 kHz
-
Impedance
8.2 Ω
-
Sensitivity
94 dB/mW
-
Active noise cancelling
No
-
Voice assistant
No
-
Detachable cable
Yes
Yes
Connector
4.4 mm balanced
2-pin 0.78 mm

What reviewers said

Campfire Audio Astrolith - Dual Planar IEM

The Campfire Audio Astrolith is a premium dual-planar IEM that delivers a fast, clear, and highly detailed sound with impressive staging and technical precision. Its nearly flat impedance and very low distortion make it a strong performer, though it benefits from quality sources and has a couple of minor ergonomic quirks. Overall, it's a notable step forward in the brand's planar lineup, offering a cohesive and resolving listen for those seeking top-tier wired performance.

  • Pro:Exceptional speed and clarity across the frequency range
  • Pro:Very low distortion and flat impedance for consistent performance
  • Pro:Wide, well-defined soundstage with precise imaging
  • Con:Slight mid-bass bloom can color certain tracks
  • Con:Stock ear tips are not very good and may need replacement
  • Con:Best results require a high-quality source or amplifier

FATFreq Grand-Maestro

The FATFreq Grand-Maestro is a premium universal tribrid in-ear monitor that blends dynamic, balanced-armature, and electrostatic drivers for a flagship listening experience. It offers flexible tuning through swappable NOAH bass modules and a vocal-enhancement switch, making it a versatile choice for audiophiles seeking end-game performance. Priced around $3,599, it's a wired, detachable-cable IEM with a 2-pin connector and no noise cancellation.

  • Pro:Exceptional driver configuration for detailed, layered sound
  • Pro:Interchangeable bass modules allow customizable low-end response
  • Pro:Vocal boost switch provides additional tuning flexibility
  • Con:Very high price point limits accessibility
  • Con:No active noise cancellation for isolation
  • Con:Large size may not suit all ear shapes

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 comparisonCampfire Audio Astrolith - Dual Planar IEMFATFreq Grand-Maestro