B-21S SKU B-21S-3933 For balanced or unbalanced, line level equipment such as AM/FM tuners, tape decks and CD players. Transformer isolation minimizes ground loop problems when connecting remote equipment. Allows remote control of input signal using an external potentiometer. Please log in to see price or purchase this item Request an account Line Comment Special Price Features:Controls/Functions:Gain TerminalsPerformance Input: 10 kohmsInput Sensitivity: -16 ~ +14 dBuGain (Adjustable): -32 ~ -2 dBPhysical Connector:Screw Terminal