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.Specilized 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: 64.5mm x 18mm x 26mm / 2.54" x 0.71" x 1.02"(L*W*H)Mounting Hole Distance: 58mm / 2.28"Pin Distance: 13mm / 0.51"Pin Width: 3mm Package Contents:3Pcs x Speaker Terminals