Headphone Accessories -Speaker Terminal Connectors Highlights Generic Brand Speaker Terminal Connectors Description: Material: durable plastic, copper and gold plated metal. Size: 80mm, hole diameter: 68mm, screw hole diameter: 4mm. End cap for subwoofers. Gold-plated contacts for optimal signal transfer. Screw terminals ensure a tight and secure connection. Rear connections use quick disconnect connectors. Positive (red) and negative (black) indicators to ensure correct wiring. Specification: Material: Plastic Size: Approx. 8x8x4cm / 3.14x3.14x1.57inch Package includes: 1 piece Speaker box terminal connector 4 pieces screws Note: Color may be slightly different due to the color calibration of each monitor. Please allow slight measurement deviation due to manual measurement.