600 Ohms isolation input transformer for all AA series amplifiers

AAIT-600
    This AAIT-600 optional input transformer is used to isolate input 1 of all the AA Series mixer amplifier from possible ground loops when connecting to various music or paging sources.
    Features
    600 ohm Input Impedance
    Easily Installed on Main Circuit Board
    Provides Ground Loop Isolation
    Tech Specs
    Height 1 1/4" (3.175 cm)
    Width 5/8" (1.5875 cm)
    Depth 3/4" (1.905 cm)
    Shipping Weight 0.50 lbs (0.23 kgs)
    Safety Listed No