dbx DriveRack PA2 Speaker Management System Speakers The A4SM from Shure is

The A4SM from Shure is a shockmount for the SM4 Home Recording Microphone (sold separately)

The LA108 loudspeaker can be stacked over the LS118 subwoofer (upright or on its side)

Need two channels of audio

and insight Crown is known for

dbx DriveRack PA2 Speaker Management System Speakers The A4SM from Shure isThe DriveRack PA2 provides all the processing you need between your mixer and amplifiers to optimize and protect your loudspeakers. With the latest advancements in dbx's proprietary AutoEQ and AFS algorithms, a new input delay module for delaying the FOH system to the backline, Ethernet control via an Android, iOS, Mac, or Windows device, and updated Wizards, the DriveRack PA2 continues the DriveRack legacy of great sounding, powerful, and affordable