AML-16-011 - TAC Magnum "Langley" Mic Input Upgrade Kit Langley Designs mic input upgrade modification kit for TAC Magnum Input Module. Kit includes a new gain potentiometer and input channel capacitors for MG1001. For further details Download fitting guide PDF (1+) £44.00 each (Ex.VAT) (5+) £40.00 each (Ex.VAT) (12+) £36.00 each (Ex.VAT) Quantity: