JKAudio Four IFB - A Four Position Analog Telephone Line Interface

Four IFB is a four position analog telephone line interface. This road tough product is designed to provide flexible listen-only IFB for television field production use. Each IFB output, and the monitor input/ output jacks, may be separately connected to one of the four analog phone lines. A telephone handset may also be connected for communication with the Monitor phone line.

Four IFB is designed for use in real world environments and weather conditions. All controls and components are dust and moisture resistant. The hinged cover protects the unit's selector switches, add/drop buttons, and keypad.

Four IFB Control PanelIndividual IFB Rotary Line Selector Switch
Monitor Rotary Line Selector Switch
Add and Drop Phone Line Switches
DTMP Keyboard

Four IFB Front PanelIndividual Level Controls for the IFB Outputs. Monitor Output and Send Input
Line State LED's for Quick Indication of Pone line Condition
AC Presence and Power LED's
Power Switch

Four IFB Rear PanelAC Power Jack
Line Level XLR Send Input
Line Level XLR Monitor Output
Four Line Level XLR IFB Outputs

Four IFB Side PanelRJ-22 Monitor Handset Jack
Four RJ-11 Phone Line Jacks

• Four RJ11 analog phone line jacks
• Five male listen-only XLRs
• Individual level and line selector controls
• One female XLR with gain control for 2-way communication
• DTMF keypad
• Line status LEDs
• Recessed controls behind hinged door
• Internal power supply with auto switchover to 9 volt battery