Superior Conductivity: Crafted with gold-plated banana connector, these 4mm banana plugs offer high strength, low resistance, and excellent conductivity for stable transmission. Ideal for ensuring reliable connections in your audio or speaker systems. Premium Material Quality: Engineered from solid engineering plastics, these banana plugs resist discoloration and deformation, ensuring long-term durability and consistent performance without compromising the quality. Easy to Use: Prepare the banana plug and wire, open the plug button, align the wire with the jack, insert the wire to the bottom, press the button to complete the wiring. Simple, practical and time-saving. Wiring Range: Suitable for wiring range of 0.2-2.5 square wires, making it versatile for various applications. These 4mm banana plugs are designed for optimal performance in audio and speaker systems. The gold-plated connectors ensure superior conductivity, while the solid engineering plastics provide durability and resistance to wear. The user-friendly design allows for quick and easy wiring, making them an excellent choice for both professionals and DIY enthusiasts. Color: Black & Red Material: Copper Plated With Real Gold Package Contents: 20* 4MM Banana Plug