•       Audio accessory unit to be used in conjunction with IP-A1 series devices for having two-way conversations or audio monitoring.

•       Omni-directional electret condenser microphone.

•       Momentary type push switch to initiate a call.

•       Indicator lights during control input is being triggered.

•       1 control input and 1 control output.

•       1 electronically-balanced audio output (0dB, 200Ω).

•       Surface or flush mounting with a standard electrical box.