Features:4 pins, 4 ways, spring load design, push type speaker terminal board.This spring loaded terminals ensure a solid connection and make wire hookups a put.design to your custom speakers or speaker upgrades for speaker cable connecting. Specifications:Rated Load: AC 50V / 3AContact Resistance: <= 0.03 OhmInsulation Resistance: >= 100M OhmActuating Force: 1 KgfFit Cable: AWG24-16Color Polarity Coding: Red/BlackSize: 40mm x 40mm x 20mm / 1.57" x 1.57" x 0.79"(L*W*H)Mounting Hole Distance: 34mm / 1.34"Pin Width: 1mm Package Contents:2Pcs x Speaker Terminals