BRTERMINAL Spring Loaded Square Speaker Box Terminal Cup 3.13" X 3.13"

Features: 1 piece of the speaker terminal spring cup connectors Terminal cup for speaker subwoofer boxes. Silver-plated contacts for optimal signal transfer. Spring terminals ensure a tight and secure connection. Rear connections use quick disconnect connectors. Positive (Red) and negative (Black) indicators to ensure proper wiring. Easy installation with screws locking and easy to use. Suitable for 4mm banana plugs, spade terminals or bare wire. Compact, reliable and durable. Specification: Overall diameter: 79.38mm (3.13") Cutout diameter: 67.75mm (2.67") Top-mount depth: 23.81mm (0.94") Material: durable plastic, copper and silver-plated metal.