Verdict: The Stax SR‑009S outshines the Audeze Crbn in pure performance, offering a frequency response up to 70 kHz and sub‑0.001 % distortion (RTINGS, Audio Science Review). However, its need for a dedicated amp and $4,995 price make it a niche choice, whereas the Crbn provides excellent detail for a portable planar‑mag IEM at $1,299 (CNET, Wirecutter). For most audiophiles who value portability and budget, the Crbn is the sensible pick, but studio engineers demanding reference accuracy will favor the SR‑009S.
Audeze Crbn lists at $1,299 while Stax SR‑009S lists at $4,995 — Audeze Crbn undercuts Stax SR‑009S by $3,696 (285%).
Winner: Stax SR‑009S
Audeze Crbn: 7.5/10
Stax SR‑009S: 9/10
| Audeze Crbn | Stax SR‑009S | |
|---|---|---|
| Driver | Planar Magnetic | Electrostatic |
| Frequency Response | 5 Hz–40 kHz | 3 Hz–70 kHz |
| Impedance | 30 Ω | 200 Ω |
| Sensitivity | 106 dB SPL/V | 100 dB SPL/V |
Our pick: Stax SR‑009S.
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