Check the listing for details. BBE 362 Sonic Maximizer 2-Channel Rack Mount Signal Processor Enhancer ■ TESTED. Color: Black, Condition: Used, Made in United States. Listed at 69.99 USD. ■ BBE 362 Sonic Maximizer 2-Channel Signal Processor. ■ Unit has been fully bench-tested and is confirmed to be in 100% working order. ■ Features "Ganged" controls—one set of knobs controls both channels for perfect stereo imaging. ■ Perfect for guitar racks, DJ rigs, PA systems, or home audio to add high-end "shimmer" and low-end "thump." ■ Condition: Faceplate is clean with all knobs and buttons intact. Typical minor "rack rash" (scratches) on the top/bottom casing from being mounted, which is purely cosmetic and invisible once racked. ■ Controls: Lo Contour, Process, and Function (Bypass) switch. ■ Rear I/O: 1/4" Unbalanced Inputs and Outputs. ■ Includes attached power cord.