DD AP-1 Phono Preamp The NAD DD AP-1 MDC module is designed to complement your NAD MDC-compatible stereo integrated amplifier, and give it the capability to handle three different analog audio inputs. Diverse Analogue ConnectionsThe AP-1 features a balanced stereo pair of XLR inputs, a single-ended RCA stereo input pair, and a stereo RCA phono input, selectable between moving magnet (MM) or moving coil (MC) profiles. Internally, the module performs a 24-bit/192 kHz analog-to-digital conversion on the incoming audio signal to prepare it for the amplifiers digital pathways. Adding this module to your amplifier allows it to handle a more diverse range of analog audio sources and turntable signals with ease, increasing its value and utility as the heart of your entertainment system. The NAD DD AP-1 analog phono module ias compatible with the following NAD C series digital integrated amplifiers; the M 32, C 390DD. Key Features Balanced Stereo Input (XLR) Single-ended Stereo Input Phono Input, selectable MM/MC RIAA EQ performed in digital domain 24/192 ADC with auto input ranging for maximum resolution without overload Class A input buffers