Introduction
IEM Description
The SA6 EST is a hybrid IEM with six balanced armatures and two electret-style tweeters. It offers a bright, mid-forward tuning with a lean bass response and smooth but unspectacular treble. Technical performance is average for the price, with moderate detail and staging. Build quality and accessories are excellent, and it pairs well with older rock recordings. Overall, a well-built set with niche appeal but limited versatility.
The driver configuration is Hybrid. It consists of 6 Balanced Armature & 2 Electrostatic.
Brand Information
This Chinese audio company specializes in designing and manufacturing high-fidelity IEMs that cater to the diverse needs of music enthusiasts worldwide. Their products are renowned for their accurate sound reproduction, ergonomic designs, and meticulous attention to detail.
Technical/Other Specifications
| Drivers | |
|---|---|
| Driver Types | Sonion Custom Low-Frequency BA Driver (x2); Knowles Custom Mid-High Frequency Independent BA Driver (x2); Knowles Custom High-Frequency BA Driver (x2); Sonion Custom Electrostatics Driver (x2) |
| Crossover | Dual-System Quad Crossover |
| Audio Performance | |
|---|---|
| Sensitivity | 117 dB/mW |
| Frequency Response | 5 Hz - 40 kHz |
| Impedance | 55 Ω |
| Build & Design | |
|---|---|
| Shell | Hand-Poured UV Acrylic Resin |
| Weight | 6 g |
| Customizable | No |
| Cable | |
|---|---|
| Cable | HULK PRO MINI |
| Connectors | 2-Pin (0.78 mm); Patented Q-Lock Plus Modular Plug System with incl. 4.4 mm TRRRS Balanced, 3.5 mm TRS Single-Ended |
| Cable Length | 1.2 m |
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Highlevel & Tierlist
First Overview, Tierlist & Ratings
Overall, Packaging & Quality
This section offers a broad look at the general quality, packaging, and everyday usability of the IEM—beyond just the sound. From build integrity and comfort to cable quality and included accessories, each aspect is carefully rated to help you understand the overall experience. Whether you're a casual listener or a gear enthusiast, this overview gives insight into what it’s like to unbox, wear, and live with the IEM on a daily basis. Think of it as the foundation before we dive deeper into performance.
Sound Characteristics
Ratings sound, tonal signature & target group
Ratings, Sound Analysis & Tags
This section dives into how the IEM sounds — not just in technical terms, but also in how it feels to the listener. Ratings here reflect detailed impressions across a wide range of sonic aspects, from sub-bass rumble to treble sparkle, from note weight to soundstage width. In addition, the Tonal Signature slider helps visualize the IEM’s position between opposing characteristics like dark vs. bright or smooth vs. crisp — giving a quick feel for its personality. Lastly, the Target Group graph shows who this IEM is best suited for: bassheads, treble lovers, vocal fans, or those seeking balance. Combined with genre recommendations, this section helps you understand whether the IEM fits your taste — before you even hit play.
Sound Analysis
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Sound Characteristics
Tonal Signature
Target Group
Rankings
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COMMENTS
2025-08-03:
Silky highs and effortless detail. The ESt drivers really add air and sparkle without harshness really good for long sessions.
0 / 3.000