The Shure SCM820-DB25 Digital IntelliMix Automatic Mixer is an 8-channel digital automatic mixer designed for use in speech applications, including sound reinforcement, broadcasting, and audio recording. It uses Intellimix technology to dramatically improve audio quality in any application where multiple microphones are required and to select channels to open to the mix bus, while attenuating other channels. It comes with a DB25 connector with 8 inputs. A hardware kit, Ethernet cable, power cord, and USB flash drive are also included.