HDCD1 CD/HD Deck, The Numark HDCD1 is a rack-mountable dual CD player with built-in hard drive, capable of storing an entire DJ collection. MP3s and uncompressed audio files can be ripped from CD, transferred from computer over USB, or recorded through analog inputs.The Numark HDCD-1 has two jumbo displays allow easy navigation for creation of playlists. A keyboard connection facilitates searching, and songs and playlists can be searched by title, artist, album, or genre. Song information is instantly available through the internal Gracenote database, which is updateable via the internet. Included software allows computer file transfers, song and playlist data editing, and exporting song lists as text. Other advanced features of the Numark HDCD1 include pitch control, instant start, relay start, and seamless looping. There are multiple play modes fully compatibility with CDR Data (MP3) and CDRW discs