MODEL M1 operates in the digital domain from end to end. This simplifies the signal flow and eliminates errors caused by the inexpensive DACs typically found in traditional hi-fi. It also means all sources leverage the powerful DSP technologies built in, including Marantz Music Digital Filtering (MMDF), first developed for the brand’s reference-grade audiophile CD players and designed to ensure the characteristic warmth and musicality of any Marantz product