COS Engineering was founded in Taiwan by three close friends who are serious about audio entertainment. With an aversion to cacophony, an aspiration for style and a penchant for simplicity, they harness extensive knowledge and experience in mathematics, electronics and communication in their research and design. The objective is to offer products that focus on musicality as well as aesthetics. The D1 DAC & pre-amplifier, COS Engineering’s first product, made its debut in 2014 and was followed by the H1 audiophile-grade DAC & headphone amplifier.
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