Simgot EA500LM and KZ ZAS use 1DD and 1DD+7BA driver setups respectively. Simgot EA500LM costs $90 while KZ ZAS costs $75. Simgot EA500LM is $15 more expensive. Simgot EA500LM holds a decisive 3.4-point edge in reviewer scores (6.3 vs 2.9). Simgot EA500LM has significantly better bass with a 3.5-point edge, Simgot EA500LM has significantly better mids with a 3-point edge, Simgot EA500LM has significantly better treble with a 3.7-point edge, Simgot EA500LM has significantly better dynamics with a 2-point edge, Simgot EA500LM has significantly better details with a 3-point edge and Simgot EA500LM has significantly better imaging with a 3-point edge.
Insights
Metric | Simgot EA500LM | KZ ZAS |
---|---|---|
Bass | 6.5 | 3 |
Mids | 6 | 3 |
Treble | 5.7 | 2 |
Details | 6 | 3 |
Soundstage | 6.3 | 2.9 |
Imaging | 6 | 3 |
Dynamics | 5 | 3 |
Tonality | 6.1 | 2.7 |
Technicalities | 6.9 | 3 |
Simgot EA500LM Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
6.3Mixed to Positive
KZ ZAS Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
2.9Very Negative
Reviews Comparison
Simgot EA500LM (more reviews)
Simgot EA500LM reviewed by Z-Reviews
Simgot EA500LM reviewed by Jays Audio
Jays Audio Youtube Channel
Simgot EA500LM reviewed by Jaytiss
Jaytiss Youtube Channel
Simgot EA500LM reviewed by Shuwa-T
Simgot EA500LM reviewed by
Fresh Reviews
Simgot EA500LM reviewed by Tim Tuned
Simgot EA500LM reviewed by IEMRanking AI
2025-08-15
The Simgot EA500LM offers a versatile listening experience primarily through its three interchangeable nozzles, which significantly alter the sound signature. With the gold nozzles (red ring), the tuning leans warm and smooth, reducing treble harshness, while the silver nozzles with black rings emphasize clarity and detail at the risk of sibilance in upper mids. The bass is controlled and textured, though sub-bass extension rolls off slightly, and the midrange remains clean but recessed in the U-shaped profile.
Technical performance is competitive for the price, with a wide soundstage and precise imaging, though complex tracks can challenge separation. The treble energy varies by nozzle: the black-ring silver nozzles deliver the most sparkle but may fatigue, while the gold nozzles offer greater balance. Despite the driver's quick transient response, some users note graininess in cymbals and a lack of refinement compared to hybrids like the Truthear Hexa.
Comfort and build are highlights, with an all-metal shell that fits securely despite being a fingerprint magnet. Isolation is average due to venting, making it less ideal for noisy environments. While the included cable and tips are functional, tip rolling improves fit and tonal balance. The EA500LM excels with genres benefiting from its vocal clarity and airiness, though its tuning inconsistencies and treble quirks limit universal appeal.
KZ ZAS (more reviews)
KZ ZAS reviewed by Precogvision
Precogvision Youtube Channel
Simgot EA500LM Details
Driver Configuration: 1DD
Tuning Type: U-Shaped
Brand: Simgot Top Simgot IEMs
Price (Msrp): $89.99
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KZ ZAS Details
Driver Configuration: 1DD+7BA
Tuning Type: n/a
Brand: KZ Top KZ IEMs
Price (Msrp): $75
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Simgot EA500LM User Review Score
Average User Scores
Average User Score: n/a
Based on 0 user reviews
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KZ ZAS User Review Score
Average User Scores
Average User Score: n/a
Based on 0 user reviews
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Simgot EA500LM 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
BKZ ZAS Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
2.9Gaming Grade
D-Simgot EA500LM 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.
KZ ZAS Scorings
Average Technical & Tuning Grades
Average Tunign Grade
D-- Tonally jarring or fatiguing. Frequency clashes (e.g., piercing treble, bloated bass) make extended listening unpleasant. Poor genre adaptation.
Average Technical Grade
D- Limited resolution; finer nuances are masked. Soundstage feels narrow, and complex passages cause muddiness. Transitions lack finesse.
Simgot EA500LM User Reviews
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KZ ZAS User Reviews
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Pros
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Cons
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