Westone Pro X20 In Ear Monitors

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The Pro X20 redefines and elevates the UM Series with more efficient sound channels that provide cleaner and better frequency responses with the most ergonomic fit in the industry.


The Pro X20 features two proprietary balanced-armature drivers, with a two-way passive crossover. Developed to reproduce a large and enveloping sound, the Pro X20 has the range and output for any stage condition. The dual balanced-armature driver design delivers robust low end and crystal clear highs, with all the detail and nuance that profession-al musicians have come to expect from a Westone Audio in-ear monitor.

ERGONOMIC TECHNOLOGY60 years of experience designing products for the ear, has resulted in a universal-fit earpiece that is compact, low-profile, lightweight, and extremely comfortable. The proprietary eartips enhance the performance of the Pro X20 by ensuring a great fit and seal, right out of the box.

BALANCED-ARMATURE DRIVER: Westone Audio’s proprietary balanced-armature drivers provide enhanced sonic detail and frequency range that extends well beyond other in-ear solutions.

LINUM BAX T2TM DETACHABLE CABLE: High-strength, ultra-low resistance 84 strand Silver plated copper litz wires, low microphonics, low crosstalk, with the most advanced and robust audio connector available in the industry.

PRECISE ACOUSTIC SYMMETRY: Left and right earpiece responses are matched to an extraordinarily tight +/- 2dB tolerance. This extends well beyond typical in-ear solutions.


  • Drivers: 2. Single Low, Single High
  • Crossover: 3 way
  • Isolation: 15 dB
  • Frequency Response: 20 Hz - 18 kHz
  • Impedance: 27 ohms @ 1 kHz
  • Sensitivity: 119 dB SPL @ 1mW
  • Cable: Linum Bax T2TM Detachable Cable 50” / 128 cm
  • Tips: 5 Pair Foam + 5 Pair Silicone
  • Accessories: Impact Resistant Monitor Vault
  • Warranty: 2 years

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