Massive and contact strong RCA plug for self-assembly. You can easily solder a suitable cable to this high-quality RCA plug. The plug is to be taken apart for this purpose, including the spring - which serves as bend protection. You can use the plug to assemble subwoofer, digital but also analog connections. As a subwoofer cable, the product created in this way can be used, for example, for the connection of active subwoofers to a home cinema system!