4 channels with DSP controlPurpose-designed for CURV 500® installationsLow-profile 1U 19" rackmount constructionDrives up to six CURV 500® satellites or one CURV 500® ISUB subwoofer per channelSingle push encoder operationHigh-contrast OLED displayTemperature controlled low-noise fanHigh-efficiency switch mode power supplyOnly 6.8 kg