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Model: ZAS by KZ Earphones

Hybrid
7BA 1DD 
$$$$$
  • 7 x Balanced Armature
  • 1 x Dynamic Driver
$$$$$
Score
4.9

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Introduction

IEM Description

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Brand Information

This Chinese company specializes in designing and manufacturing high-fidelity earphones, leveraging advanced technology and innovative designs to cater to the needs of music professionals, audiophiles, and enthusiasts alike.

Technical/Other Specifications

Audio Performance
Impedance24 Ω
Build & Design
Build & Design
ShellResin

General Tags

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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
5.0 / 10
Comfort Fit
6.0 / 10
Build Quality
4.0 / 10
Stock Cable
4.0 / 10
Accessories
4.0 / 10

Tier List

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B
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C
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D
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E
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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

Sub-Bass feels gentle and delicate, prioritizing cleanliness. There's a unobtrusive and conservative quality, favoring clarity over impact. Low-end impact is delicate and mostly absent. Lower mids are smooth and somewhat easygoing. Upper mids are toned-down and conservative, avoiding sharpness at the cost of detail. The area sounds soft, prioritizing comfort. Air and shimmer are toned-down, making the sound easy on the ears. A controlled presentation keeps everything centered. Details are gentle and less emphasized, creating a smoother sound. Instruments tend to overlap, reducing clarity. Slight masking occurs but remains blended overall. Sound feels slightly hollow due to light note structure. Impact feels restrained and mellow. Sibilance is almost absent, creating a soft top end. Tonal accuracy suffers, making instruments sound digital. The tuning has inconsistencies that may bother purists. Details in texture are muted, leading to a fluid but less defined sound.

Sub-Bass feels gentle and delicate, prioritizing cleanliness. There's a unobtrusive and conservative quality, favoring clarity over impact. Low-end impact is delicate and mostly absent. Lower mids are smooth and somewhat easygoing. Upper mids are toned-down and conservative, avoiding sharpness at the cost of detail. The area sounds soft, prioritizing comfort. Air and shimmer are toned-down, making the sound easy on the ears. A controlled presentation keeps everything centered. Details are gentle and less emphasized, creating a smoother sound. Instruments tend to overlap, reducing clarity. Slight masking occurs but remains blended overall. Sound feels slightly hollow due to light note structure. Impact feels restrained and mellow. Sibilance is almost absent, creating a soft top end. Tonal accuracy suffers, making instruments sound digital. The tuning has inconsistencies that may bother purists. Details in texture are muted, leading to a fluid but less defined sound.

Sound Characteristics

Tonal Signature

DARK
BRIGHT
WARM
NEUTRAL
SOFT
ANALYTICAL
SMOOTH
CRISP
RELAXED
ENGAGING
MUSICAL
DRY

Target Group

BASSMIDSTREBLE

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