Westone Audio Mach40 In-Ear Monitor


Westone Audio WA-M40 IEM – MACH 40 Universal IEM 3-way, 4-Driver IEMs. Experience music your way; the Westone Audio way, and celebrate the artist in you!


Westone Audio MACH40 In-Ear Monitors – Monitors designed for Musicians

The Westone Audio MACH Series™ combines 35+ years of engineering and performance excellence to deliver sound quality the way it was intended to be heard. Every aspect of the MACH Series™ was purposely designed for both superior comfort and sound on and off the stage. An ergonomic design allows all day use, with no ear fatigue.

Experience music your way; the Westone Audio way, and celebrate the artist in you!


The Westone Audio MACH40 has 4 Balanced Armature Drivers

Enjoy great sounding IEM’s with the 3-way, four-driver system with dual lows, single mid, and single high.

Your purchase comes with premium accessories

  • LINUM® SUPERBaX™ Cable. The SuperBaX was developed to meet the needs of audiophiles in their constant pursuit of the perfect audio setup. With low 0.75 Ohms resistance, the SuperBaX offers pure sound reproduction with a light cable.
  • Durable storage case. Protect your MACH 40 monitors from the elements in a crushproof, watertight and dustproof Case from Pelican™. Also includes five pairs each of Westone Audio’s proprietary foam and silicone tips to ensure the perfect seal with maximum comfort.

The Technical Specifications of the MACH40

  • 3-way Passive Crossover
  • Four Balanced-Armature Drivers
  • Freq. Response: 10Hz – 20kHz
  • Sensitivity: 100dB @1kHz
  • Impedance: 30 Ohms @1kHz

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Recent Review notes on the MACH40

  • The overall tonality of the Westone MACH40 is warm and organic
  • The MACH40 has an elevated  Bass with a mid-bass punch
  • Lower mids are thicker and upper mids are scooped out a bit
  • Treble is also attenuated down. This reduces upper frequencies extension and airiness
  • Soundstage is intimate in width and depth, making the sound more closed in and personal

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Tags: Westone Audio Earplugs, Westone IEM’s, M40 IEM, MACH 40 Universal IEM, 4-Driver IEM


SKU: 810074480123
Categories: Universal Series, Westone MACH Series
Tags: MACH Earphone, MACH IEM, MACH Series, MACH30


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Westone Audio Mach-40 In-Ear Monitors designed for Musicians
Westone Audio Mach40 In-Ear Monitor