AirPods 4vs.ZAS
Sound & Specs Comparison
Information
Both IEMs are widely regarded in the audiophile community. See how they differ in terms of sub-bass response, upper mids, clarity, and overall tonality. Spider charts and rating breakdowns included.
Objective Comparison
Facts, details, stuff.
| General Info | AirPods 4 | ZAS |
|---|---|---|
| Brand | Apple | KZ Earphones |
| Country | USA | China |
| IEM Description | – | – |
| Price Level | n/a | < 100 |
| Housing & Driver | ||
|---|---|---|
| Driver Config | – | Hybrid |
| Driver Types | – | Balanced Armature + Dynamic Driver |
| Shell Material | – | Resin |
| Cable | – | – |
| Technical | ||
|---|---|---|
| Freq Range | – | – |
| Impedance (Ω) | – | 24 |
| Sensitivity (dB) | – | – |
| Crossover | – | – |
| Platform Info | ||
|---|---|---|
| Comments | 0 | 0 |
| Visit Count | 36 | 27 |
| External Reviews | 0 | 0 |
Meta Ratings
For comfort fit, ZAS performs evidently better (6 vs 5). Even under close inspection, AirPods 4 maintains a notably cleaner, more seamless design — whereas ZAS occasionally reveals minor imperfections. ZAS’s bundled components feel notably more premium, suggesting a stronger focus on user satisfaction and long-term value.
| AirPods 4 | ZAS | |
|---|---|---|
| Sound | 5.0 | 5.0 |
| Comfort Fit | 5.0 | 6.0 |
| Build Quality | 7.0 | 4.0 |
| Stock Cable | – | 4.0 |
| Accessories | 1.5 | 4.0 |
Sound Characteristics
AirPods 4 enhances basslines with a more energy and grip, giving them a livelier feel compared to ZAS (5.5 vs 5). The bass in ZAS feels a more physical and textured, with improved rumble and body compared to AirPods 4 (5.5 vs 5). The lower midrange on AirPods 4 blends a more smoothly into the bass region, avoiding the disconnect found in ZAS (5.5 vs 5). In the upper mids, It sounds d clearer and more articulate, highlighting vocals and lead instruments better than ZAS (6 vs 4.5). It offers m greater shimmer and nuance in the lower treble, revealing micro-details that ZAS misses (6.5 vs 5). The highest frequencies on It feel d more natural and less rolled-off compared to ZAS (6.5 vs 5). The stereo field on It feels a wider and more holographic, whereas ZAS sounds more intimate (6 vs 5.5). ZAS extracts low-level details a more effectively, helping subtle nuances emerge clearer than on AirPods 4 (5.5 vs 5). It separates instruments a more distinctly, helping complex passages remain coherent where AirPods 4 blends them (5.5 vs 5). It keeps competing frequencies under control n more effectively, reducing sonic congestion compared to AirPods 4 (6 vs 5). Percussion and quick attacks feel s more physical and punchy on AirPods 4, adding excitement over ZAS (5 vs 4.5). It handles sibilant sounds c more gently, with fewer peaks and less sharpness than ZAS (6.5 vs 5.5). The tone quality of It feels a more organic and true-to-source than the slightly artificial flavor of ZAS (5.5 vs 5).
| AirPods 4 | ZAS | |
|---|---|---|
| Sub Bass | 4.5 | 4.5 |
| Bass | 5.5 | 5.0 |
| Bass Feel | 5.0 | 5.5 |
| Lower Mids | 5.5 | 5.0 |
| Upper Mids | 6.0 | 4.5 |
| Lower Treble | 6.5 | 5.0 |
| Upper Treble | 6.5 | 5.0 |
| Sound Stage Width | 6.0 | 5.5 |
| Detail | 5.0 | 5.5 |
| Layering | 5.0 | 5.5 |
| Masking | 5.0 | 6.0 |
| Note Weight | 5.0 | 5.0 |
| Slam | 5.0 | 4.5 |
| Sibilance | 6.5 | 5.5 |
| Timbre Color | 5.5 | 5.0 |
| Tonality | 5.0 | 5.0 |
| Texture | 4.5 | 4.5 |
Tonal Signature
// Nothing to compare yet.