Description The item is a set of 2pcs professional and practical 2-way speaker terminal round spring cup connectors, which is mainly made of durable plastic and gold-plated metal, and designed for DIY speaker and subwoofer boxes. Gold-plated contacts for optimal signal transfer, and spring terminals ensure a tight and secure connection. It is easy to install with screws locking and easy to use. Features - Color: Black.- Material: ABS, copper.- Size: 7.5 x 7.5 x 2.5 cm/3 x 3 x 1 inch.- Terminal cup for speaker andamp; subwoofer boxes.- Gold-plated contacts for optimal signal transfer.- Screw type 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.Packing list: 2 x terminal boxes