The KPAK3AUX cable set consists of two components:
Enhanced functionality includes:
The Key Line Interrupter provides integration for 3rd party devices to also control the KEY OUT signal from the K3S, K3 or K4 if required. Examples include SteppIR controllers, external tuners or screwdriver controllers.
A: No. You can use the RCA-to-RCA cables that come in the box with the KPA500 or KAT500.