4 channel main station
MS-400A Main Station
Rack-mounted 4-channel intercom main station with built-in speaker. " No-fail" power supply supports 100 remote headset stations . Balanced auxiliary (program) input, at mic or line level, is assignable to any or all channels. Built_ in program interrupt (IFB). Talk
function selectable for each channel. Illuminated channel-select listen buttons and separate toggle talk switch. Stage-Announce, All-Page, and Visual Signalling features. Uses one or two headsets. Controls for intercom volume, program level, and sidetone null for each channel are all accessible on front panel. Intercom system short-circuit indicator and reset button.
Power Supply Output: 2 amps