Glensound FW021 Four wire box for use with headsets
Features
Battery powered from 9volt PP3
Long battery life (in excess of 100 hours)
Power on switch
Power on LED
Low battery indication
3 user selectable modes: 4 wire (for standard connection to other broadcast equipment) Interrupt loop through (IFB) for monitoring & adding talkback over incoming audio 2 wire conference mode for connecting multiple GS-FW021 together 2 wire mode compatible with prospect C1B
Headset connection on 3 pole 6.35mm (A/B gauge)
Push to talk button for mic input
Limiter circuit for mic input
Headphone volume control
Auxiliary audio input (on 3.5mm jack) fed to headphone circuit
Transformer balanced 4 wire input/ output
Maximum dimensions just 152 x 42 x 72mm (l x w x d)