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Balanced and smooth is the best way to describe MACH 40’s soundstage, perfect for anyone seeking an extremely even listening experience. The MACH 40 is equipped with dual BA bass drivers, dual BA midrange/treble drivers in a 3-way crossover system. The accessories include a quality PELICAN™ case.
Four-BA-driver in-ear monitor
The MACH 40 in-ear monitor is defined by a balanced, smooth, and natural sound character, delivering a clearly traceable soundstage during extended listening sessions or stage use.
Its construction is optimized for orderly reproduction across the full frequency range, providing a cohesive musical experience rather than emphasizing a single part of the spectrum.
The MACH 40 uses a proprietary four-driver system, with two drivers dedicated to the bass range and one driver each handling the midrange and high frequencies.
This three-way design enables more precise frequency distribution across each range, allowing the individual frequency bands to work together in a balanced and complementary way.
The high frequencies are handled by a dedicated driver, helping details, decays, and subtle tonal nuances appear with greater precision.
The MACH 40 is not built around a sharp or fatiguing character, but offers a treble response that fits naturally into the smooth, balanced nature of the overall sound. The soundstage is orderly, easy to follow, and stable, making it easier to separate tracks, musical lines, and spatial information.
The MACH 40 is designed for versatile use. In stage monitoring, its controlled frequency distribution and balanced sound support accurate listening, while in the studio its even character enables precise tracking of details.
The MACH 40 in-ear monitor is built for both musical enjoyment and professional use, with a natural and easily understandable sound presentation.
The MACH 40 comes with a Linum BaX T2 cable, an important part of the in-ear monitor system. The high-quality cable connection contributes to stable signal transfer, while the lightweight and flexible construction allows for more comfortable wear.
The cable plays an important role not only in connectivity, but also in keeping the in-ear monitor easy to handle during longer periods of use.
The package includes both foam and silicone ear tips, allowing the MACH 40 to adapt to different fit requirements. Choosing the right ear tip is not only a matter of comfort: it directly affects bass stability, passive noise isolation, and the accuracy of the entire sound image. Foam tips provide stronger isolation, while the silicone version offers an easier-to-clean, durable solution.
The MACH 40 comes with an impact-resistant Pelican case, providing safe storage and transport for the in-ear monitor. The included cable organizer, Wax Loop, and cleaning cloth support everyday maintenance and organized use.
These accessories are especially important for a professional in-ear monitor, as regular cleaning and proper storage contribute to reliable long-term operation.
4x balanced armature (BA)
2x BA for bass range1x BA for midrange1x BA for treble range
Three-way design
10 Hz - 20 kHz
30 ohms @ 1 kHz
100 dB @ 1 kHz
T2
127 cm
0.75 ohms
~9 g
1x Westone Audio MACH 40 IEM
1x Linum BaX T2 cable
1x Impact-resistant Pelican carrying case
5 pairs of foam ear tips5 pairs of silicone ear tips
1x Cable tie1x Wax Loop cleaning tool1x Cleaning cloth
