A unique transformer isolated Level optimizer. Transformer Ground isolation provides low-noise operation suitable for any level matching application. It allows you to attenuate the level from one piece of equipment to the next in order to provide the exact level required and reduce the risk of overloading sensitive inputs. The Optimizer is a totally passive device with no power requirements, making it a truly universal problem solver. Security features include Kensington?-type computer lock slot and optional bracket kit for under-table mounting. Mounted in a heavy duty all steel chassis, and available in Dual Channel format only. Needs no power.