Westone Audio ES20 In-Ear Monitors

From: $1,119.00

The Westone Audio ES20 In-Ear Monitor delivers exceptional sound quality with a balanced dual-driver system. Featuring Westone Audio Custom-Fit Technology, the ES20 IEM provides the best fit and acoustic seal possible. The Balanced Armature drivers offer enhanced sonic detail and frequency range, while the Flex Canal technology provides increased comfort and noise isolation. The cold pour acrylic housings offer increased durability and a more lustrous appearance. With Dual Bore technology, high and low frequency components are channelled through separate passages for natural sound. The replaceable EPIC cable is ultra-low resistance, durable, and acoustically transparent. Handcrafted with meticulous attention to detail, the ES20 is the perfect choice for musicians and audiophiles alike.


Built to the same exacting standards as all Westone Audio Elite Series ES musicians’ monitors, the dual-driver ES20 In-Ear Monitor provides exceptional low frequency response, smooth mids, and articulate highs—a great balance of full sound and price.

Westone Audio’s ES20 In-Ear Monitors with balanced-armature drivers offer comfort and crisp sound detail

  • 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 USA products exhibit a level of craftsmanship that truly embodies America’s rich history of handmade artistry.

Westone Audio Elite Series ES20 Custom In-Ear Monitors

Experience the benefits of the ES20 IEM

  • Good entry level IEM for musician who is starting to get into in-ear monitors
  • Good workhorse and good entry-level sound
  • The Westone Audio ES20 has more punchy impact on low-ends with a little more extension

Westone ES20 Custom-molded Dual-driver In-Ear Monitors Features

  • Custom-molded dual-driver earphones for serious musicians and music lovers
  • Our team can help you choose the right custom Westone earphones for your situation
  • Earpieces are custom-fit to the contour of your ear for maximum comfort and fit
  • Flex Canal tips are easy to insert and conform to your ear canal ensuring a good seal
  • Durable cold-pour acrylic housings block out up to 25dB of noise
  • Two compact balanced-armature drivers deliver balanced highs and lows
  • Dual Bore design isolates low- and high-frequencies for maximum clarity
  • Comes with a high-flexibility, replaceable EPIC cable reinforced with aramid fiber for extra strength
  • 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
  • Comes with accessories and warranty


“The Westone Audio ES20 is a game changer! The dual-driver design provides exceptional low frequency response, smooth mids, and articulate highs. With the custom-fit technology, I can enjoy a comfortable fit and incredible noise isolation. The craftsmanship is top-notch! William. B”


Westone ES20 In-Ear Monitors Technical Specifications

  • Type: Wired
  • Fit Style: In-ear
  • Drivers: 2
  • Noise Attenuation: 25dB, Passive Noise Isolating
  • Frequency Range: 20Hz-18kHz
  • Sensitivity: 119dB SPL @ 1mW
  • Detachable Cable: Yes
  • Features: Case, Cleaning Tool
  • Color: Custom


SKU: 78492
Categories: Custom Series, ES Series
Tags: Custom Series, Elite Series, ES Series, westone ear plugs, westone earbuds, westone es50, westone earmold styles, westone es60

Additional information

Mould Type

Custom Hand-Pour, Custom 3-D


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Westone Audio ES20
Westone Audio ES20 In-Ear Monitors
From: $1,119.00