Versatile 4-Pin Audio Connector: These 4-core female-to-female connectors are perfect for connecting audio devices such as amplifiers, mixers, and audio adapters. Ideal for extending the connection between various audio equipment in professional settings like stages, studios, and live performances. Durable Copper Construction: Made from copper, these connectors ensure reliable signal transfer and long-lasting durability. The robust copper material offers excellent conductivity, minimizing signal loss and interference during sound transmission for superior audio performance. PVC Protection for Durability: The connectors are encased in a protective PVC coating, providing added durability and resistance to wear and tear. The PVC protection also helps prevent damage during handling and usage, ensuring the connectors maintain their performance over time. Compact and Convenient Size: Measuring 69x27mm (2.72x1.06 inches), these connectors are compact yet highly effective in extending audio connections between equipment. The small size makes them easy to store and transport while offering a strong and secure connection for audio signals. Wide Application Range: These connectors are perfect for a variety of audio setups, including stage performances, recording studios, KTV venues, and bars. They allow for seamless audio signal extension between speakers, amplifiers, and other audio devices, making them an essential tool for audio professionals.