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About this gear
The M4U 1 is a closed-back over-ear headphone from PSB Speakers, a company known for rigorous acoustic engineering across its product line. Designed with portability and professional clarity in mind, it bridges the gap between consumer convenience and audiophile-grade sound.
About PSB Speakers
PSB Speakers has been quietly building some of the most scientifically validated loudspeakers in the world for over half a century. Founded in 1972 by Paul Barton in Pickering, Ontario, the company is distinguished by its deep relationship with Canada's National Research Council (NRC), where Barton ...
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