Westone Audio ES40 Earphones


Westone Audio ES40 Earphones: Excellent Sound Quality for Audiophiles.

The Westone Audio ES40 Earphones are custom-fit in-ear monitors (IEMs) that deliver excellent sound quality with a 4-driver configuration and a custom-fit design. They are comfortable to wear, providing a secure fit and exceptional noise isolation. They are built to last with durable construction and a replaceable cable.

If you are an audiophile who demands great sound quality without breaking the bank, the Westone Audio ES40 Earphones are a great option. They are comfortable to wear for long periods of time and provide excellent noise isolation, so you can focus on your music without distractions. Order yours today and experience the difference!


The ES40 is engineered to deliver a very balanced, powerful, and articulate sound stage, and delivers a breathtaking and immersive sound that makes the most of any recorded and mastered music. The new dual, low-frequency drivers create thick, rich, and immersive low-frequency information that accentuates todays recorded music, and is tough enough to survive on the world’s loudest stages. This combination creates an unbelievable listening experience that is sophisticated enough for the most discerning critical listener, but tough enough to survive in the world’s most demanding live-performance venues.

  • 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 channeled 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.


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Westone Audio ES40 brown earphones, high-quality audiophile earphones with no audio cable.
Westone Audio ES40 Earphones