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Custom Fit vs. Universal Fit

Custom Fit

Westone Audio custom products combine the latest in acoustic technology and over five decades of experience in crafting custom fit products for the human ear. “Customs” as they are most commonly referred to are primarily used by the professional on-stage musician but have also gained popularity with audiophiles looking for a critical listening earpiece. Athletes looking for an earphone that stays in the ear can also benefit from a custom made product.

  • All Westone Audio custom products require an ear-impression
  • Custom monitors are a great choice for those with hard to fit ears and can offer a superior seal for particular anatomies.
  • Westone Audio custom monitors are made to order and offer virtually unlimited customization options.

Custom-Fit Products

ES Series

Elite Series
Westone Audio signature custom-fit in-ear musicians monitors. Perfect for the onstage performer or audiophile.
ES10, ES20, ES30, ES50, ES60, ES80

AC Series

AC Series
Designed specifically for emerging musicians, worship teams and personal listeners.
AC10, AC20

CR Series

CR10 Earpieces
A recreational custom-fit earphone that provides a low profile fit for active users
with helmets.


Universal Fit

Westone Audio universal fit earphones and in-ear monitors are the perfect solution for those who want a no-compromise approach to high-end sound in a lightweight exceptionally comfortable package. Our universal products are segmented into our UM PRO Series, AM Pro Series, Westone Audio W Series and Adventure Series.

  • Westone Audio’s Ergonomic Ear Tip Technology delivers unmatched comfort in a universal package
  • Replaceable ear tips offer a multitude of semi-custom fit options

Universal-Fit Products

AM Pro

AM Pro Series
Our top of the line passive-ambient universal-fit in-ear monitors. Designed specifically for the onstage performer that requires passive ambience.
AM PRO 10, AM PRO 20, AM PRO 30

UM Pro

UM Pro Series
Our top of the line universal-fit in-ear monitors. Designed specifically for the onstage performer.
UM PRO 10, UM PRO 20, UM PRO 30, UM PRO 50

W Series

W Series
Take your personal listening to new levels with our ergonomically designed earphones.
  W10, W20, W30, W40, W60, W80

ADV Series

Adventure Series
The Adventure Series Alpha is ready for anywhere life's soundtrack will take you.
Adventure ALPHA