The DBX DriveRack PX Power Speaker Optimizer is a professional-grade powered speaker system designed for music and audio professionals. With a sleek rack-mountable form factor and four channels, it offers versatile input/output options with 6.35mm and XLR ports. The active equalizer and sidechain insert feature adds dynamic control to your sound, making it ideal for live performances and recording studios. Made in Japan by the trusted brand dbx, this speaker system delivers high-quality sound with two sound options for a customizable audio experience.