• 4-port IFB Breakout Interface
  • Connects up to 4 IFB feeds to matrix ports
  • Individual or multiple earbuds or headphones used directly from each port
  • No external power required
  • Rear-mounted wet/dry switch
  • Transformer-coupled signal from port to XLR output
Item Part Number:
  • IFB-104

Technical Specifications

Indicators: “Power-on” LED


Program Input: (4) 3-pin XLR female
To Matrix Frame: (4) RJ-45
Talent: (4) 3-pin XLR male
DC Power: (1) 3-pin XLR male; (1) 3-pin XLR female

Program Input

Type: Transformer isolated
Impedance: 600 Ohms bridging
Level: 0 dBv

Headphone Talent Receiver Outputs

Impedance: 600K Ohms transformer balanced
Power: 1 mW into 600 Ohms

Line Input (2-pair talk to matrix)

Type: Transformer balanced
Impedance: 600K Ohms
Level: 0 dBv nominal
Frequency Response: 100 Hz-15 kHz, +/-2 dB


Operating Temperature: 0º – 50º C (32º – 125º F)

Humidity: 20% to 90%, non-condensing


1.75 x 19 x 2 in (HxWxD)

(89 x 483 x 51 mm)


1.8 lbs (0.82 kg)

Associated Products