General description The 6Pcs DIY Home Car Stereo Speaker 2 Way Round Binding Post Connectors are professional and practical connectors designed for DIY speakers and subwoofers. Made from durable plastic and gold-plated metal, these connectors ensure optimal signal transfer and a secure connection with their spring-loaded terminals. This set includes six round spring-loaded speaker terminal connectors. Technical specifications Cut-out Diameter: Approx. 45mm (1 7/8 inch) Total Diameter: Approx. 75mm (3 inch) Top Depth: 20mm (7/8 inch) Compatibility and accessories Fits 4mm banana plugs and spade terminals Installation Easy to install with locking screws Usage Designed for use with speakers and subwoofers Positive (red) and negative (black) indicators for correct wiring Other information Package Contents: 6 x 2-way Speaker Box Terminal Binding Post Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product. The measurement