B-Stock, Denon DJ Prime 4, 4-Deck DJ System, 4-Deck standalone Engine Prime DJ system, 10-inch HD multi-touch display with gestures, Serato DJ Pro included, Serato DVS compatible, dedicated XLR Zone output provides music to a separate room, built-in 2.5-inch SATA drive bay to store music onboard, 6-inch rugged metal jog wheel with HD central display, 4 assignable input channels for external media sources, 2 dedicated XLR inputs for microphones with individual control, StagelinQ connection for Event/Pro DJ lighting and video control, plays uncompressed audio formats (FLAC, ALAC, WAV), Supported Audio File Formats: AAC/M4A, AIF/AIFF (44.1–192kHz, 16–32-bit), ALAC, FLAC, MP3 (32–320 kbps, VBR), MP4, Ogg Vorbis, WAV (44.1–192kHz, 16–32-bit), 24-bit Denon DJ legacy audio, 4x USB and 1x SD media inputs for music playback, USB keyboard support, audio outputs: 2 XLR outputs Master (left/right, balanced), 1 RCA output pair Master (left/right, unbalanced), 2 XLR outputs Booth (left/right, balanced), 2 XLR outputs Zone (left/right, balanced), 1x 6.35mm (1/4”) phones output, 1x 3.5mm (1/8”) phones output, audio inputs: 2 RCA input pairs (line level, unbalanced), 2 RCA input pairs (phono or line level, unbalanced), 2 XLR-/Jack combo sockets, dimensions: 728 x 497 x 104 mm (W x D x H), weight: 9.7 kg; suitable case: Art. 494082, Art. 489828 or bag: Art. 480105 (not included), B-Stock with full warranty, may have slight traces of use