What stands out about this it's got the Audiopipe identity front and center.
50023R 5 Pack 30A Fused Relay Switch Kit 12V 4 Pin SPST Relay Interlocking Harne
With the model KUP-14D15-24=KU printed clearly, you will find that installation notes match up.
A nice touch is the LRD name on the relay, and the terminals feel sturdy for everyday projects.