<p>The item is a set of 3pcs professional and practical 2-way speaker terminal round spring cup connectors, which is mainly made of plastic and gold-plated metal, and designed for DIY speaker and subwoofer boxes. Gold-plated contacts for optimal signal transfer, and spring terminals a tight and secure connection. It is easy to install with screws locking and easy to use.</p> <p>3 pieces of the speaker terminal round spring cup connectors in one set be sold together.</p> <p>Cutout diameter: about 45mm (1 7\/8 inch); Overall diameter: about 75mm (3inch); Top-mount depth: 20mm (7\/8inch).</p> <p>100% new and high quality 2-Way Speaker Box Terminal Connector Binding Post Round Spring Cup Subwoofer Plug.</p> <p>Terminal cup for speaker \u0026 subwoofer boxes.</p> <p>Rear connections use quick disconnect connectors.</p> <p>Positive (Red) and negative (Black) indicators to proper wiring.</p> <p>Suitable for 4mm banana plugs, spade terminals or bare wire.</p> <p>Compact, reliable and .</p> <p>Colour: as shown</p> <p>Material: plastic + metal </p> <p>Package Contents:</p> <p>3 x 2-Way Speaker Box Terminal Binding</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>