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Campfire Audio Astrolith - Dual Planar IEM vs Thieaudio Valhalla: which should you buy?

On aggregated review scores the Campfire Audio Astrolith - Dual Planar IEM comes out ahead with a HearWiki score of 81. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: Campfire Audio Astrolith - Dual Planar IEM - Great overall at around $2199.

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 2 of 4 measures.

  • Campfire Audio Astrolith - Dual Planar IEM
  • Thieaudio Valhalla
HearWiki score
81
81
Sound
9.0
9.0
Value
6.5
6.0
Price (USD)
$2,200
$2,000

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

Thieaudio Valhalla (2025) against Campfire Audio Astrolith - Dual Planar IEM (2024). 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 IEM2024
  • Valhalla20251 yr newer

Specifications

Astrolith - Dual Planar IEMValhalla
Type
Wired IEMs
Wired IEMs
Price (USD)
$2,200
$2,000
HearWiki score
81
81
Released
2024
2025
Availability
Discontinued
Sold new
Driver
2× 14.2 mm planar magnetic
19× balanced armature
Driver type
planar
balanced-armature
Driver size
14.2 mm
-
Drivers per side
2
19
Frequency response
5 Hz - 25 kHz
-
Impedance
8.2 Ω
9 Ω
Sensitivity
94 dB/mW
-
Active noise cancelling
No
No
Voice assistant
No
-
Detachable cable
Yes
-
Connector
4.4 mm balanced
-

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

Thieaudio Valhalla

The Thieaudio Valhalla is a premium all-balanced-armature in-ear monitor that prioritizes technical clarity and precise sound staging. Its design focuses on delivering crisp, well-defined bass, transparent mids, and extended treble without harshness, making it a strong choice for analytical listening rather than a relaxed, warm signature. The build quality and fit are top-tier, reflecting its flagship status.

  • Pro:Exceptional detail retrieval and instrument separation
  • Pro:Clean, well-controlled bass with solid punch
  • Pro:Neutral yet engaging tuning across the frequency range
  • Con:Very high price point limits accessibility
  • Con:Low impedance may require a quality source to avoid hiss
  • Con:Not suited for listeners seeking a warm or laid-back sound

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 IEMThieaudio Valhalla