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MM-520 Professional
The Audeze MM-520 Professional is a pair of 1.22 lb open-back over-ear headphones using 90 mm planar magnetic drivers, with a stated frequency response of 5 Hz–50 kHz.
- Type
- Over-ear
- Frequency
- 5 Hz–50 kHz
- Weight
- 1.2 lb · 555 g
- Impedance
- 18 Ω
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Full specs
Last verified Oct 5, 2026
Unless marked otherwise, specs are from the manufacturer’s product page (audeze.com).
| Frequency response | 5 Hz–50 kHz |
|---|---|
| Driver | Planar magnetic |
| Driver size | 90 mm |
| Impedance | 18 Ω |
| Sensitivity | 102dB/1mW (@Drum Reference Point) |
| Type | Over-ear |
|---|---|
| Back | Open-back |
| Weight (manufacturer) | 1.22 lb (555 g) |
| Connection | Wired |
|---|
| Built for | Studio / mixing |
|---|
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