The Dx 38 is an universal Digital Sound System Processor that provides 2 inputs and 4 outputs plus internal summing of the inputs 1 and 2. Providing 48-bit filter algorithms, 24-bit AD/DA conversion and a dynamic range of 115 dB, the Dx 38 sets new standards for digital loudspeaker controllers and processors. Important Notes 6.1 New Factory Presets: Since RACE 2.05 the software contains 50 new factory presets (F1 to F50) that are stored permanently in the Dx38 with the installation of the new firmware. To get the latest version of RACE or of the unit's firmware, check out our homepage: 6. New software for the Electro-Voice Dx38, one of the best-selling digital sound system controllers on the market, can be downloaded free of charge from the Electrro-Voice web site.