UM Pro 20 - Earphones Westone - Free user manual and instructions
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| Type | In-ear monitors |
| Driver Configuration | Dual balanced armature |
| Impedance | 27 ohms @ 1kHz |
| Sensitivity | 119 dB SPL/mW |
| Frequency Response | 20 Hz - 18 kHz |
| Cable | Detachable, 1.28 m (50 in), twisted pair |
| Connector | 3.5 mm gold-plated stereo jack, angled |
| Weight (per earpiece without cable) | Approx. 12 g |
| Earpiece Dimensions | Approx. 25 x 20 x 15 mm |
| Noise Isolation | Up to 25 dB (with foam tips) |
| Eartips Included | True-Fit foam (S, M, L) and Star silicone (S, M, L) |
| Accessories Included | Shirt clip, wax cleaning tool, hard carrying case |
| Color Options | Clear, Black, Blue, Red |
| Warranty | 2 years (limited) |
| Cleaning | Wipe with a dry, soft cloth; clean nozzle with included tool |
| Storage | Keep in carrying case when not in use |
| Compliance | RoHS, CE |
Frequently Asked Questions - UM Pro 20 Westone
How should I wear the UM Pro 20?
Wear the cable over the ear: loop the cable over your ear, then insert the earpiece. Adjust the cable slider and shirt clip for a secure fit.
What eartips work best for isolation?
The included True-Fit foam tips provide the best noise isolation (up to 25 dB). Silicone tips offer easier insertion but less isolation.
How do I clean the earphones?
Use the included wax cleaning tool to remove debris from the nozzle. Wipe the housing with a dry, soft cloth. Do not use liquids or solvents.
Can I replace the cable?
Yes, the cable is detachable. Westone uses a proprietary connector (MMCX compatibility after 2013 models). Contact Westone for replacements.
What is the sound signature of the UM Pro 20?
The UM Pro 20 has a balanced sound signature with warm midrange and smooth treble. Bass is tight and controlled, suitable for monitoring.
Are the earphones suitable for live performance?
Yes, they are designed for stage monitoring. The high sensitivity and low impedance make them easy to drive with portable devices or wireless packs.
How should I store the earphones?
Store them in the included hard carrying case to protect from damage. Avoid extreme temperatures and humidity.
Can I use the UM Pro 20 with a smartphone?
Yes, the 27 ohm impedance works well with phones and most portable players. It may benefit from a dedicated DAC/amp for best performance.
What is the frequency response range?
The frequency response is 20 Hz to 18 kHz, covering the essential range for accurate monitoring and music enjoyment.
How long is the warranty?
Westone offers a 2-year limited warranty against defects in materials and workmanship. Register your product online to activate.
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