The item is the dbx DriveRack PA2 Complete Loudspeaker Management System. It is an audio processor designed for professional live sound systems.
Provides all necessary processing between a mixer and amplifiers to optimize and protect loudspeakers.
Features enhanced Advanced Feedback Suppression (AFS) and AutoEQ functions.
Offers Ethernet control via Android, iOS, Mac, or Windows devices.
Includes built-in equalizer, compressor, limiter, and crossover functions.
Supports full range, 2-way, and 3-way speaker systems.