Pro-Mix Centerpiece for Creative DJs. 4-Channel Digital Mixer with Multi-Assignable Inputs and Pro DJ FX. Crisp OLED Screen. Customize X1850 DJ workflow and performance settings plus access, adjust and edit 16 expressive Pro Club FX. Dual USB Audio Connections. Experience fast, uninterrupted DJ 'handoffs', connect to DJ software and record multi-channel audio to laptops.