The Traktronix 10 X 3 pin - 3.5mm Terminal Block Connector is a high-quality audio accessory designed for use with Crestron, Speakercraft, B&K, and Nuvo systems. Made in the United States, this connector features a screw connector for easy installation and a 3-pin, 3.5mm pitch female connector for reliable audio connection. Perfect for home audio setups, this product is a convenient and versatile solution for connecting various devices in your audio system.