Descriptions:Rated Load: AC 50V / 0.2AContact Resistance: = 100M OhmActuating Force: 1 KgfColor Polarity Coding: Red/BlackFeatures: 2 pins, spring load design, push type speaker terminal board.This spring loaded terminals ensure a solid connection and make wire hookups a put.Specilized design to your custom speakers or speaker upgrades for speaker cable connecting.