EMB Professional DJR30 1U DUAL USB/SD Digital Player & Recorder Rack Mount EMB Professional DJR30 1U DUAL USB/SD Digital Player & Recorder Rack Mount For Home / DJ Performance / Club / Bar / Pub / Studio / Stage / Show / Entertainment A dual 1U USB and SF player with Record function. Despite its small size the player/recorder has many other functions. Record your live mix or live music in s simple way, just press the buttonB A perfect appliance for use in discos, pubs, clubs, bars, and home etc Line Record function to USB or SD (MP3 / 128 kbps) / Record level control USB to SD / SD to USB copy function / Delete and Repeat function / "+10 track" button for fast track selection.|Folder or Total Random play / 1U (1HE) Dual MP3 Free Player|Selectable output (A/B/Mix) / Headphone output with level control.