Tanchjim 4U and Moondrop Rays DSP use 1DD and 1DD+1Planar driver setups respectively. Tanchjim 4U costs $79 while Moondrop Rays DSP costs $99. Moondrop Rays DSP is $20 more expensive. Tanchjim 4U holds a clear 0.7-point edge in reviewer scores (6.4 vs 5.7). Moondrop Rays DSP carries a user score of 5.7.
Insights
Metric | Tanchjim 4U | Moondrop Rays DSP |
---|---|---|
Tonality | 7.3 | 6.8 |
Technicalities | 6 | 5.8 |
Tanchjim 4U Aggregated Review Score
Average Reviewer Scores
Moondrop Rays DSP Aggregated Review Score
Average Reviewer Scores
Tanchjim 4U Details
Driver Configuration: 1DD
Tuning Type: n/a
Brand: TANCHJIM Top TANCHJIM IEMs
Price (Msrp): $79
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Moondrop Rays DSP Details
Driver Configuration: 1DD+1Planar
Tuning Type: n/a
Brand: Moondrop Top Moondrop IEMs
Price (Msrp): $99
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Tanchjim 4U User Review Score
Average User Scores
Average User Score: n/a
Based on 0 user reviews
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Moondrop Rays DSP User Review Score
Average User Scores
Average User Score:
Based on 1 user reviews
5.7Mixed
Tanchjim 4U Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.4Gaming Grade
BMoondrop Rays DSP Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.1Gaming Grade
BTanchjim 4U Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A-- Pleasing tonal balance with good technical control. Minor quirks present but not distracting. Demonstrates decent genre versatility.
Average Technical Grade
B- Satisfactory technical performance. Handles basic detail retrieval adequately in most tracks. Maintains reasonable cohesion in simpler arrangements.
Moondrop Rays DSP Scorings
Average Technical & Tuning Grades
Average Tunign Grade
B+- Generally enjoyable tonal character with some noticeable unevenness. Maintains listenability while showing room for refinement in frequency balance.
Average Technical Grade
B-- Satisfactory technical performance. Handles basic detail retrieval adequately in most tracks. Maintains reasonable cohesion in simpler arrangements.
Tanchjim 4U Reviews
It is not super special, unless you are looking for standout stereo imaging.Super* Review original ranking
Super* Review Youtube Channel
Solid IEM. Warm to neutral depending on the switch. Overall pretty smooth with good tech. Jays Audio Youtube Channel
check links for more info:Gizaudio Axel original ranking
Gizaudio Axel Youtube Channel
Moondrop Rays DSP Reviews
Gizaudio Axel
2025-07-31Good for customizable sound (EQ) and gaming. Balanced tonality, with deep bass, forward vocals, clear treble. Overall detail.Gizaudio Axel original ranking
Gizaudio Axel Youtube Channel
When People ask me for the best IEM for gaming, I would probably point them to these.Super* Review original ranking
Super* Review Youtube Channel
A more neutral version of the May with less bass and treble, very neutral sounding, inoffensive and boring, overpriced, many cheaper options with similar tuning and performance Jays Audio Youtube Channel
Tanchjim 4U User Reviews
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Pros
- Example pro 1
- Example pro 2
Cons
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You need to be signed in to write your own reviewMoondrop Rays DSP User Reviews
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You need to be signed in to write your own reviewA well-built gaming-focused IEM with practical DSP features but modest technical finesse