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The Westone UM3X is an in-ear monitor with over-the-ear cables. It features one bass, one mid-range, and one high frequency driver per ear. A variation of the UM3X is the UM3X RC, which features a removable cable, but is slightly more expensive.


  • Status: Available
  • Price at launch: $549.00


  • Alias: UM3X RC

Also Known As...

  • Color: Clear / Black
  • Design: In-ear
  • Connection type: Wired (3.5mm)


  • Drivers per ear: 3
  • Impedance : 56 Ω
  • Frequency response (low): 20 Hz
  • Frequency response (high): 18000 Hz


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