Reviewing the Datasat RS20i gave me the opportunity to evaluate a product that was designed and built for performance as the highest priority. It represents a product where the engineers apparently focused on optimum component selection and circuit design. The result is a product that tests well objectively and sounds excellent on the subjective level.
The Sigma SSP is Classé's newest 7.1 channel surround sound processor. Classé optimized it for two-channel music playback and gave it extensive customization features. Included in this review are the Classé Sigma Amp2 two-channel amplifier and Sigma Amp5 five-channel amplifier. The combination of the Sigma SSP, Amp2 and Amp5 produces exceptional sound quality for both music and movies.