Tanchjim Fission - Reviews & Ratings

1 Review (A Tier | 7.3/10)

Summary

Reviewers consider the Tanchjim Fission to be a crowd-pleaser that balances fun and fidelity and fits a wide range of tastes. It arrives with smart ergonomics and a sturdy kit that match the tuning. Recommendation comes easily and often.

Tanchjim Fission Details

Driver Configuration: 1DD

Tuning Type: Neutral, Vocal-focused

Brand: TANCHJIM Top TANCHJIM IEMs

Price (Msrp): $129.99

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Review

Jaytiss 7.3 Reviewer Score
B Tuning
A- Tech
Such a Fantastic little set.
Youtube Video Summary

The Tanchjim Fission presents fantastic value right out of the box, largely thanks to its inclusion of a high-quality USB-C DAC cable with 3.5mm and 4.4mm terminations. The all-metal build feels premium, and the included cable is extremely silky and pleasant to use. A standout feature is the set of interchangeable nozzles that allow for sound tuning; the gold nozzle is the clear winner, providing the best balance, while others can make the bass less impactful. However, the fit can be a challenge for some as the shell lacks a pronounced lip, and the nozzles can be tricky to remove and replace.

Sonically, the Fission is extremely close to the more expensive and beloved Tanchjim Origin, offering a smooth, energetic sound with a tonality that is highly enjoyable. It provides a touch of warmth, pristine detail, and good air, making it a set that is easy to recommend and daily drive. When compared to other sets in its price range, it holds its own against competitors like the Dunu Kima (which has better fit and accessories) and the Kiwi Ears Quintet (which offers more bass), though the choice ultimately comes down to personal preference for tonality and the value placed on its tunable nature.

While it doesn't break the so-called "curse of the $150 IEM," the Fission is a strong contender and gets a full recommendation. Its few cons include a fit that may not work for all ears and a bass quantity that some may wish was greater. For those who value its specific sonic qualities, the excellent build, and the incredible package value with the included DAC cable, the Tanchjim Fission is a fantastic and competitive option that is very easy to enjoy.

Mids: A- Treble: A- Dynamics: C+ Soundstage: A-

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Price: $129.99

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Compare Tanchjim Fission to popular alternatives

Take this comparison with a grain of salt—we don't have enough Tanchjim Fission reviews saved yet to provide an unbiased result.
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Name

VS

Name
IEM alt. Score
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Average Technical & Tuning Grades

Average Tunign Grade

B
  • A mostly enjoyable signature keeps things listenable despite a handful of quirks. It handles most playlists without major complaints.

Average Technical Grade

A-
  • Technical chops are reliable, pairing tidy separation with a soundstage that stays conservative. Micro-detail is decent, though never spotlighted.
Mids A-
It delivers an excellent midrange that feels vibrant and true to life. It balances clarity with natural smoothness.
Treble A-
The treble is exquisitely tuned, combining crystal detail with relaxed delivery. Micro-details emerge effortlessly.
Dynamics C+
You get reliable macrodynamics, with micro shifts that remain only adequate. A reliable performer for most tracks.
Soundstage A-
All dimensions bloom together, producing an expansive venue that feels carefully rendered. You can map the ensemble easily.
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