The speaker terminal cup is designed for DIY speakers and subwoofer boxes. The speaker binding post plate features a quick disconnect connector for easy connections. The color-coded binding posts clearly identify the positive and negative poles. In addition, the speaker terminal cup is easy to install and use. Features Color: As Shown Material: ABS, alloy Size: 9.20 x 8.00 x 3.40 cm / 3.62 x 3.14 x 1.34 in Outer size: 92 mm x 80 mm Inner size: 74 mm x 54 mm Made of ABS and alloy, this speaker box terminal ensures stable and lasting performance. Designed specifically for DIY speakers and subwoofer boxes, these terminal connectors are ideal for creating a seamless audio experience. With double connection posts, these double binding plates provide a secure and efficient setup for your speakers. Whether setting up a professional stage or enhancing a home audio system, these speaker box terminals are a suitable choice. The speaker box terminal cup allows for convenient and efficient speaker connections. Package List 2 x Speaker Box Terminals