Image © tophifi.plGood value
The SR-009D is a high-end electrostatic earspeaker with a detachable cable design, featuring MLER technology and a large circular sound unit. It offers a frequency response of 5-42,000Hz and weighs 594g including cable.
The STAX SR-009D is a premium open-back electrostatic headphone engineered for audiophiles seeking exceptional clarity and detail. With its ultra-wide frequency response and refined driver design, it delivers a transparent, highly resolving soundstage, though it demands a dedicated amplifier and a substantial investment. Its leather pads and detachable cable add to a luxurious, high-end experience.
Paraphrased from published reviews & specs - not an original hands-on test. Our AI disclosure.
| Driver | 2× electrostatic |
|---|---|
| Driver type | electrostatic |
| Drivers per side | 2 |
| Frequency response | 5 Hz - 42 kHz |
| Impedance | 145000 Ω |
| Driver | 2× electrostatic |
|---|---|
| Driver type | electrostatic |
| Drivers per side | 2 |
| Frequency response | 5 Hz - 42 kHz |
| Impedance | 145000 Ω |
| Active noise cancelling | No |
|---|---|
| ANC type | none |
| Transparency mode | No |
| Companion app | No |
| Custom EQ | No |
| Wear detection | No |
| Weight | 452 g |
|---|---|
| Detachable cable | Yes |
| USB-C | No |
| Pad material | leather |
3 source(s) feeding this product's score.
Video reviews we found, each condensed to its verdict. They do feed the HearWiki score, at a measured weight below what a published written review carries.
34:20The reviewer finds the STAX SR-009D to be an excellent electrostatic headphone that offers a unique twist on the typical e-stat sound, with a more balanced and engaging presentation. It competes favorably with significantly more expensive e-stats, making it a strong value despite its high price. The detachable cable and lighter weight are appreciated, though driver crinkle is noted.
Summaries are AI condensations of each video's own conclusion, not transcripts. Titles, thumbnails and view counts belong to their channels.
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