A distinguishing feature that sets the Denon DCM-390 over the DCM-290 is the ability to decode HDCD from a CD. is an enhancement to regular Audio CDs to effectively increase the dynamic range, resulting in better and more natural reproduction of music. The additional dynamic range allows more low-level details to be captured in the Digital Recording for more precise reproduction of musical instruments and vocals. Where this is applicable, the DCM-390 can attain superior and more accurate Sound performance. With audiophile grade digital-to-analog converters, the audio from CD media comes through precise, pure, and clear of Distortion for extremely pleasing sound. Denon DCM-390 uses an easy to load and highly dependable CD mechanism that lets you load up to 5 CDs at a time. The DCM-390 lets you Program up to 32 tracks from the five or fewer CDs loaded in the player. In addition, you have selectable random and repeat play modes. The DCM-390 will play all commercially available CD recordings plus CDR and CDRW recordings made on a Component CD Recorder or Computer drive. As such, it will also play MP3 and WMA files that were downloaded from websites. It will also, faithfully, play recordings encoded with HDCD as they were meant to be heard. Overall, the DCM-390 offers the sound performance you've come to enjoy from Denon along with the comforting convenience of being able to sit back and enjoy up to 5 CDs continuously. Compared to all others, there is a difference. That difference is DENON.