Studio Technologies Model 5132 Partyline Interface Module (EBU Version)The Model 5132 Party Line Interface Module is a compact, self contained unit for use in custom broadcast, live performance, and general party line intercom applications. The module provides a high quality 2 channel party line to analog line level ("4 wire") audio signal interface in an easy to use yet technically sophisticated package. The module's basic functions include two channels of 2 wire to 4 wire conversion with auto null capability, input and