Westone Audio ES50 In-Ear Monitors

From: $1,719.00

The Westone Audio ES50 In-Ear Monitor is the top choice for professional musicians and audiophiles who seek exceptional sound quality. Its five balanced armature drivers provide a smooth, detailed, and transparent sound that’s perfect for live stage performances or personal listening. The ES50 uses Westone Audio Custom-Fit Technology to create the best fit and acoustic seal possible. The earpiece housings are crafted from cold-poured acrylic for durability and a controlled response, while Dual Bore technology ensures a natural sound transition between frequency ranges. The EPIC Replaceable Cable is ultra-low resistance and user-replaceable, and the product’s handcrafted build quality reflects a rich tradition of handmade artistry.


The Westone Audio ES50 In-Ear Monitor, designed by musicians for musicians, is the premium in-ear monitor for live stage performances or for the serious audiophile. Five masterfully tuned balanced armature drivers deliver smooth, translucent and detailed sound.

Five masterfully tuned balanced armature drivers deliver smooth, translucent and detailed sound.

  • Westone Audio Custom-Fit Technology: Fully custom earpieces are cast, sculpted, and polished by hand from actual impressions of your ears, resulting in the best fit and acoustic seal possible.
  • Balanced Armature: Westone Audio’s balanced armature driver is significantly more compact and efficient than a traditional dynamic driver. Westone Audio monitors provide enhanced sonic detail and frequency range that extends well beyond typical in-ear solutions.
  • Flex Canal: A body temperature-reactive, semisoft earpiece canal additive that stays firm at room temperature for ease of insertion and then softens at body temperature, allowing increased comfort and acoustic seal for incredible noise isolation.
  • Cold Pour Acrylic: Earpiece housings are cold-poured in acrylic for a thicker, more resilient acoustic enclosure. Expect increased durability, a more controlled response, and a lustrous appearance from this Westone Audio technology.
  • Dual Bore: With Westone Audio’s Dual Bore technology, high and low frequency sound components are channelled through separate passages in the sound port and sum within your ear canal instead of the earpiece. The result is audibly more natural and provides a more convincing transition between frequency ranges.
  • EPIC Replaceable Cable: Westone Audio’s robust EPIC cable is constructed of bifurcated, high-flex, ultra-low resistance tinsel wire, reinforced with a special aramid fiber, and braided for ultimate durability, acoustic transparency, and isolation from mechanical cable noise. The MMCX Audio™ connector makes this solution conveniently user replaceable.
  • Handcrafted in the USA: Meticulously built by a staff of dedicated artisans and lab techs, Westone Audio’s products exhibit a level of craftsmanship that truly embodies America’s rich history of handmade artistry.
Westone Audio Elite Series ES50 Custom In-Ear Monitors
Westone Audio Elite Series ES50 Custom In-Ear Monitors

Experience the benefits of the ES50 IEM’s

  • Bassier sound signature
  • Perfect for bass guitarists and drummers and for music genres that require a bit more low-end
  • More mids, more extension to the highs and greater sound stage
  • Cable: Choice of replaceable Superbax, 2-pin or MMCX Audio™ Cable, 128 cm, 162 cm optional
  • Choice of colours for faceplate and body will be offered after the order is completed


Download the ES50 Technical Specification Sheet here (pdf)

Download the ES Series Brochure here (pdf)


SKU: 78494
Categories: Custom Series, ES Series
Tags: Custom Series, ES Series, es50-earphones, Westone Audio Earplugs, westone audio mach, westone audio am pro 30, Westone Monitors, westone audio pro x30

Additional information

Mould Type

Custom Hand-Pour, Custom 3-D


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Westone Audio ES50
Westone Audio ES50 In-Ear Monitors
From: $1,719.00