The Canadian manufacturer Classe, of The B&W Group along with Rotel, debuted its Sigma 2200i Integrated Amplifier at the 2016 International Consumer Electronic Show (CES) in Las Vegas earlier this year.  The 2200i made its debut this month as their flagship product in the integrated amplifier category.  This is yet another addition to Classe’s truly audiophile line of products ranging from 2/5-channel amplifiers, pre-amps/processors, and integrated amplifiers.  Like all their products, the Sigma 2200i is designed for consumers that desire high quality control and amplification from whatever source they choose.  As an integrated amp there is no need to purchase a separate pre-amp. Hence the name “integrated amp”, where both units are combined.
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