Aofan 4-Pack Dual Binding Post Speaker Terminal Connectors - 4mm Banana Plug Jack, 5mm Threaded Port, Gold-Plated Zinc Alloy (Red/Black)

• Premium Gold-Plated Conductivity - Pure copper core with anti-corrosion gold plating ensures optimal signal transmission and long-term durability
• Tool-Free Installation - Screw-locking design eliminates soldering needs, compatible with 4mm banana plugs and 5mm threaded connectors
• Dual-Color Coding - Red/black insulated jackets prevent polarity confusion during amplifier and speaker system setup
• Multi-Application Compatibility - Ideal for home audio systems, professional amplifiers, automotive testing equipment, and industrial instrumentation
• Secure 4-Pack Value Set - Zinc alloy construction with reinforced plastic housing provides stable connection for demanding audio environments

Product Overview: Aofan dual binding post terminals deliver professional-grade connectivity for audiophiles and technicians. Engineered with oxygen-free copper cores and 24K gold plating, these 4mm banana plug connectors minimize signal loss while resisting oxidation. The dual-color insulated housing ensures effortless polarity identification in complex audio setups. Technical Specifications: Material Composition: Zinc alloy base with gold-plated copper conductors Connection Types: 4mm banana socket (female) & 5mm male threaded port Dimensions: 43×35×16mm (1.7×1.38×0.63 inches) Insulation Resistance: >100MΩ (at 500V DC) Temperature Range: -30°C to +80°C Package Contents: 4× binding posts (2 red + 2 black) Design Features: Dual-Thread Locking System: M5 screw terminals with compression washers secure up to 8AWG cables Vibration-Resistant Construction: CNC-machined zinc alloy body withstands rigorous automotive testing environments Ergonomic Grip Design: Knurled surface texture enables secure handling during installation Cross-Platform Compatibility: Seamless integration with speaker enclosures, power amplifiers, and measurement devices Application Scenarios: Hi-Fi speaker system wiring Power amplifier output terminals Laboratory test equipment interfaces Automotive diagnostic tool connections Industrial control panel installations