Sound & Specs Comparison
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.
Facts, details, stuff.
General Info | AirPods 4 | Isabellae |
---|---|---|
Brand | Apple | Oriolus |
Country | USA | USA |
IEM Description | – | An emotive single‑dynamic‑driver IEM with warm mid‑bass and rich, forward mids—especially vocals—balanced by smooth treble and natural sub‑bass. Crafted in resin for comfort and refined tone. |
Price Level | n/a | 500 – 1.000 |
Housing & Driver | ||
---|---|---|
Driver Config | – | Single Dyn. Driver |
Driver Types | – | Dynamic Driver |
Shell Material | – | 3D‑printed medical‑grade resin |
Cable | – | Silver‑plated OFC, 4.4 mm balanced termination |
Technical | ||
---|---|---|
Freq Range | – | 10 Hz – 40 kHz |
Impedance (Ω) | – | 30 |
Sensitivity (dB) | – | 113 |
Crossover | – | – |
Platform Info | ||
---|---|---|
Comments | 0 | 0 |
Visit Count | 22 | 62 |
External Reviews | 0 | 0 |
In terms of overall sound impression, Isabellae notably outshines AirPods 4. It presents music with significantly greater accuracy, air, and stereo separation (6.5 vs 5). For comfort fit, It performs notably better (7.8 vs 5). AirPods 4 shows slightly superior build quality than Isabellae (7 vs 6.3), indicating better materials, construction precision, and overall durability. Accessory-wise, Isabellae includes overwhelmingly more practical and high-quality items, enhancing both protection and usability.
AirPods 4 | Isabellae | |
---|---|---|
Sound | 5.0 | 6.5 |
Comfort Fit | 5.0 | 7.8 |
Build Quality | 7.0 | 6.3 |
Stock Cable | – | 6.3 |
Accessories | 1.5 | 6.0 |
Isabellae produces sub-bass that is e more textured and present in cinematic or bass-heavy tracks (5.8 vs 4.5). It renders bass with a greater punch and separation, where AirPods 4 sometimes feels bloated (6.5 vs 5.5). The bass in It feels a more physical and textured, with improved rumble and body compared to AirPods 4 (6 vs 5). It renders lower mids n more naturally, giving male vocals and instruments a fuller tone than AirPods 4 (6.5 vs 5.5). It reproduces female vocals and strings with a more air and forwardness, while AirPods 4 remains recessed (6.8 vs 6). It extends s further into the upper treble, adding air and openness that AirPods 4 lacks (7 vs 6.5). It creates a a wider soundstage, giving instruments more space and a better sense of placement than AirPods 4 (6.8 vs 6). It retrieves micro-details a more effectively, revealing nuances that are less apparent in AirPods 4 (6 vs 5). Track elements feel a more isolated and clean on It, offering clearer focus than AirPods 4 (6.3 vs 5). It shows b better control of masking effects, maintaining clarity across frequency ranges better than AirPods 4 (5.5 vs 5). Notes played through It feel m weightier and fuller, giving a more satisfying impact than those from AirPods 4 (6.5 vs 5). It delivers n stronger slam and physicality, making drums and transients hit harder than AirPods 4 (6 vs 5). Listeners may experience n fewer sharp edges in 'S' and 'T' sounds with AirPods 4, whereas Isabellae can get fatiguing (6.5 vs 3.3). Timbre on Isabellae sounds a more realistic and natural, whereas AirPods 4 feels slightly more artificial or colored (6.3 vs 5.5). The overall tonality of It is m more balanced and cohesive, offering a sound signature that feels better tuned than AirPods 4 (6.5 vs 5). It portrays textures in vocals and strings with d more realism, enhancing emotional depth over AirPods 4 (6 vs 4.5).
AirPods 4 | Isabellae | |
---|---|---|
Sub Bass | 4.5 | 5.8 |
Bass | 5.5 | 6.5 |
Bass Feel | 5.0 | 6.0 |
Lower Mids | 5.5 | 6.5 |
Upper Mids | 6.0 | 6.8 |
Lower Treble | 6.5 | 6.5 |
Upper Treble | 6.5 | 7.0 |
Sound Stage Width | 6.0 | 6.8 |
Detail | 5.0 | 6.0 |
Layering | 5.0 | 6.3 |
Masking | 5.0 | 5.5 |
Note Weight | 5.0 | 6.5 |
Slam | 5.0 | 6.0 |
Sibilance | 6.5 | 3.3 |
Timbre Color | 5.5 | 6.3 |
Tonality | 5.0 | 6.5 |
Texture | 4.5 | 6.0 |
// Nothing to compare yet.