Westone UM Pro 20
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At a glance
- Brand
- Westone
- Type
- Wired IEMs
- Fit
- -
- Connection
- Wired
- Noise cancelling
- No
- Released
- 2018
The Westone UM Pro 20 is a wired in-ear monitor designed for professional and personal use, featuring dual balanced armature drivers for accurate sound reproduction.
The HearWiki takeAI-condensed
The Westone UM Pro 20 is a wired in-ear monitor built for professional and personal listening, using dual balanced armature drivers to deliver precise, detailed sound. Its lightweight, detachable-cable design suits stage use or critical listening, though it lacks wireless or control features. With high sensitivity and low impedance, it pairs easily with most devices, but the limited frequency range may not satisfy bass-heavy listeners.
What works
- Accurate dual balanced armature sound
- Very lightweight and comfortable for long sessions
- Detachable cable for easy replacement or upgrade
- High sensitivity works well with portable sources
- Professional-grade build for monitoring needs
What doesn't
- No noise cancellation or transparency mode
- Limited frequency response, especially in treble
- No inline controls or app support
- Requires wired connection only
Paraphrased from published reviews & specs - not an original hands-on test. Our AI disclosure.
Specifications
| Driver | 2× balanced armature |
|---|---|
| Driver type | balanced-armature |
| Drivers per side | 2 |
| Frequency response | 20 Hz - 18 kHz |
| Impedance | 27 Ω |
| Sensitivity | 119 dB/mW |
Audio
| Driver | 2× balanced armature |
|---|---|
| Driver type | balanced-armature |
| Drivers per side | 2 |
| Frequency response | 20 Hz - 18 kHz |
| Impedance | 27 Ω |
| Sensitivity | 119 dB/mW |
Features
| Active noise cancelling | No |
|---|---|
| ANC type | none |
| Transparency mode | No |
| Companion app | No |
| Custom EQ | No |
| Wear detection | No |
| Controls | none |
Design
| Weight | 12.7 g |
|---|---|
| Detachable cable | Yes |
| USB-C | No |
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