REVIEW – COS D1 DAC and Preamplifier

The Connoisseur Of Sound D1 is Taiwanese in origin and costs £8000 in the UK. Janine Elliot puts it through its paces in a truly international rig. 

“Standing for ‘Connoisseur Of Sound’ COS was formed by three close friends who were very serious about audio entertainment and with an aversion, like most of us, to cacophony. The Cos D1 is their first digital converter. The company wanted to create something that produced a clarity and simplicity of sound that just allowed the music to speak, all three men with years of experience in mathematics, electronics, and research and design. This product made its debut in 2014 and I first heard it the following year wanting to give it a full review as soon as I could…”

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Read the full review here

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