The Pro X50 redefines and elevates the popular UM Pro 50 and is the flagship model of Westone Audio's Pro X In-Ear Musicians' Monitors. Featuring five proprietary balanced-armature drivers with a 3-way passive crossover, each driver is designed to reproduce a specific part of the frequency range: lows, mids, and highs.

● DRIVER: Five Balanced Armatures
● CROSSOVER: 3-way passive crossover
● FREQ. RESPONSE: 20Hz - 20kHz
● SENSITIVITY: 115 dB @ 1mW 
● IMPEDANCE: 45 ohms