TOA A-712 120 Watt Integrated Mixer Amplifier Nine Channel Integrated Mixer/Amplifiers for paging and background/foreground music distribution Two Auxiliary Inputs, unbalanced, with dual-RCA jacks for convenient connection of stereo sources Module Slot accepts 900 Series plug-in modules with additional features Transformer-Isolation for Telephone Paging Applications 25 V, 70.7 V and 4 Ohm Speaker Outputs with removable terminal block connector