Elite Core Audio PM-16 4-Pack 16-Channel Personal Monitor Mixer System (4) PM-16 Personal Mixing Units, (4) EC-SMK Mixer Stands (1) IM-16 Input Module. (1) DM-8 Distribution Module (4) EC-WBP 3.5mm to XLR Headphone Converters, (4) EC-PRO-HEX10 Headphone Extension Cables (1) EC-CAT5E-RR-150 150' Ethernet Cable