Balanced and smooth is the best way to describe MACH 40s soundstage, perfect for anyone seeking an extremely even listening experience.

Balanced-armature drivers
3-way, four-driver system with dual lows, single mid, and single high.

Westone Audio technology
An ergonomic design allows all day use, with no ear fatigue.

linum | estron 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.

Premium accessories
Protect your MACH 40 from the elements in a crushproof, watertight and dustproof case from Pelican. Also includes five pairs each of Westone Audios proprietary foam and silicone tips to ensure the perfect seal with maximum comfort.

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.