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The TOA B21S balanced line input is a 900 series module with screw terminals and remote volume control. 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.
The B-21S is a line module to be used in conjunction with the 900 series or AX-1000 amplifier. It has a balanced input and can be remotely controlled.