Allen & Heath XONE:K3 Universal DJ MIDI Controller nofreeshipping An additional USB port is

An additional USB port is included to back-up your work

allowing you to park the PL-Event 218S and keep it stationary when you don't want it to move

Cooling: Passive

The Violectric HPA-V550 Powerful Balanced Headphone Amplifier with a perfect preamplifier and a wide range of functions

Allen & Heath XONE:K3 Universal DJ MIDI Controller nofreeshipping An additional USB port isThe Allen & Heath XONE: K3 Universal DJ MIDI Controller is designed for DJs, producers, and performers who need the ultimate in hands on control of their software and hardware setups. Whether you're performing in a club, streaming a hybrid set, producing in the studio, or shaping visuals, K3 provides the tools to create the perfect workflow for your creative environment. The Professionals Choice Perfected. Whether you're mapping for a live performance