The AX4FB4M-AU is a 4-contact male pin cable connector from the AX series designed for audio and entertainment applications. It features a black coating shell finish with gold-plated contacts (AU plating) for enhanced durability and reliable signal transmission. The connector includes a marking sleeve with print number capability and is RoHS compliant per 2011/65/EU. The male pin configuration with 4 contacts provides secure mating with corresponding female socket connectors. This connector is commonly used in professional audio equipment, entertainment systems, and other applications requiring robust, corrosion-resistant connections with precise contact alignment.