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/ about us


Founded in 2015 in Tokyo, Japan, Kalkul makes high-end personal technology products, pioneering a new ecological on-demand manufacturing process.
Its first foray in the field of audio solutions, Kalkul 1.1, is an advanced material noise isolating earphone designed to channel and amplify the most detailed emotional response.
As an independent company, Kalkul is a lean operation which fully develop and engineer its products in-house, from concept to production. Kalkul channels the Japanese technological legacy through robust German engineering and a passion for details that shines in its handmade assembly.
Through its products, Kalkul strives to build natural relationships with its users. Its ambition is to explore and redefine the emotional relationship between man and machine. Another future is possible.