AP-109 Series Audio Panels

Product Description

The JEI AP-109 Series of Audio Panels are 9 input audio switching units with front panel stereo headset outputs and mono speaker. They are designed for military, intelligence, and communications audio monitoring applications.

AP-109 Models

These are the current models and the different input connections. All models have unbalanced BNC outputs. Customized versions can be made.

Model Input Connectors
AP-109 BNC unbalanced
AP-109-001 BNC unbalanced
AP-109A Triax (BJ-75)
AP-109A1 RJ-11 transformer balanced
AP-109A2 RJ-11 transformer balanced
AP-109A3 RJ-11 transformer balanced
AP-109B Triax (BJ-76) transformer balanced
AP-109C Triax (BJ-76) transformer balanced
AP-109C-001 Triax (BJ-76) transformer balanced


  • Pushbutton selection for inputs and outputs and an RS-232 port for computer control
  • Any number of channels may be selected simultaneously
  • Each input may be selected to go to the left, right, or both sides of headphones


  • Inputs: 9 connectors
  • Outputs: 1 BNC unbalanced
  • Controls: Push buttons for input and output select; Level controls for headphone output


115VAC is standard. 12 or 24VDC options available.

Contact JEI for special requirements.