Westone UM Pro 20 (2nd Generation) In Ear monitors


*Please check with our online customer service team or your local store for stock availability


High performance dual driver earphone with removable cable.

  • The Westone UM Pro 20 is a professional tool packed with features that help you bring down the house every time you get on stage. The dual driver balanced armature design has the range and raw output for any stage condition. Individually hand-crafted in the USA, the UM Pro 20 is comfortable and secure with Up and Over™ cable routing that helps prevent microphonics and keeps your earphone securely in place.

  • Westone True-Fit Technology

    50+ years experience with in-ear applications has yielded a lowprofile, lightweight, universal earpiece which delivers maximum comfort and in-ear coupling for dynamic transfer of sound.

    Balanced Armature

    Westone’s balanced armature drivers are significantly more compact and efficient than traditional dynamic drivers. By combining multiple balanced armature drivers with sophisticated crossover networks, Westone monitors provide enhanced sonic detail and frequency range that extends well beyond typical in-ear solutions.

    EPIC Replaceable Cable 

    Westone’s robust replaceable cable is constructed of bifurcated, high-flex, ultra-low resistance tensile wire, reinforced with a special aramid fiber, and braided for ultimate durability, acoustic transparency, and isolation from mechanical cable noise. The replaceable audiophile connector makes this solution conveniently user-removable and replaceable.

    Designed & Assembled in the USA 

    Meticulously built by a staff of dedicated artisans and lab techs, Westone’s USA products exhibit a level of craftsmanship that truly embodies America’s rich history of handmade artistry.

  • Sensitivity: 119 dB @ 1 mW

    Frequency response: 20 Hz - 18 kHz

    Impedance: 27 ohms @ 1 kHz

    Passive Noise Attenuation: 25 dB 

    Driver: Dual balanced armature drivers with passive crossover

    Weight: 0.445 ounces / 12.7 grams 

    Cable: EPIC replaceable cable

    Cable Length: 50” / 128 cm

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