How can I connect a bit AF amplifier to an AF D amplifier? 31 March 2023 14:09 Updated See Chapter 4, point 8. DSP OUT of the manual of a bit AF amplifier. Related articles 4. CONNECTION PANELS - DESCRIPTION DRC AC 3. AF C8.14 BIT, DRC AC AND CONNECTORS INSTALLATION 1. PRODUCT DESCRIPTION What is the ADC port for?