The Sony CDR-W33 is a compact disc recorder developed with the achievement ofoutstanding sound quality as a central design objective. Through the use of Super Bit Mappingrecording technology and 24-bit A to D and D to A conversion, the CDR-W33 meets this targetand is able to achieve high sound quality approaching that of 20-bit recording quality.Operational functions include a limiter and equalizer, both operating in the digital domain,CD Text entry and control from an optional PC keyboard.