The Pro X 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-ar-mature 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.

Ideal For
On-Stage Monitoring, Vocalists, Guitar Players, Keyboard Players, Drummers & Sound Engineers.

Ergonomic Technology
60 years of experience designing products for the ear, has resulted in a universal-fit earpiece that is compact, low-profile, lightweight, and extremely comfortable. Our proprietary ear tips 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 T2™ 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.