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We guarantee that all of our stock is 100% genuine,
New Zealand sourced stock, with full local warranty.


  • Westone Audio Custom-Fit Technology
  • Balanced Armature
  • Flex Canal
  • Cold Pour Acrylic
  • Dual Bore
  • EPIC Replaceable Cable
  • MMCX Audio™ connector
  • Handcrafted in the USA


112 dB SPL @ 1 mW

Frequency Response

10Hz – 20 kHz


28 ohms @ 1kHz

Passive Noise Attenuation Up to 25dB


Four balanced armature drivers with passive three-way crossover

Cable EPIC MMCX replaceable cable
  • ES40 Custom-Fit In-Ear Monitors
  • MMCX Audio® Twisted Cable
  • Water-Proof, watertight crush-resistant Pelican case
  • Cleaning Tool
  • Reusable Desiccant
  • Cleaning/Polishing Cloth
  • Oto-Ease®️ Lubricant
  • User Manual

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