Using a superior proprietary single balanced armature driver, combined with the most ergonomic and comfortable fit; the UM1 delivers a reference level sound with clarity and precision that can be enjoyed while performing live music or for personal listening at a superior value.


Product Description
Over twenty years ago, Westone changed the way music was played. With the introduction of the original universal-fit, balanced-armature in-ear monitor, Westone changed the way music was performed, rehearsed, listened to, and loved. The Westone UM Series in-ear musician’s monitors are used and loved the world over, not only onstage, but by serious music lovers regardless of the type of music they listen to. Designed for the musician and the music lover, the UM1 delivers the same premium sound with the incredible audio clarity that only a Westone In-Ear Monitor can provide, but at a consumer-friendly price that is applicable to any consumer.
Balanced Armature Driver : Proprietary full-range, balanced armature drivers produce the most accurate and detailed sound in the world.
MMCX Audio™ Connecter : Designed specifically for musicians’ monitors, our audio connector ensures a reliable connection every time.
Westone True-Fit Technology : 50+ years’ experience with in-ear applications has yielded a low-profile, lightweight, universal earpiece which delivers maximum comfort and in-ear coupling for dynamic transfer of sound.
Industry-leading noise isolation : Hear more of your music and less of the outside world with up to 25db (or more) of ambient noise reduction.
Designed and Engineered in Colorado, USA : Designed by musicians and music lovers, for musicians and music lovers.


Sensitivity : 114 dB @ 1 mW
Frequency Response : 20 Hz - 16 kHz
Impedance : 19 Ω (ohms)
DRIVER : Balanced Armature, Full-Range


In Ear Monitors : UM1 Universal-Fit In-Ear Musicians’ Monitors
Cable : Removable MMCX Audio™ Round Cable
Tips : 5 Pair Foam/5 Pair Silicone
Carrying Case : Monitor Pouch

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