OFC Pure Copper 2mm to 4mm Banana Female Connector 4Pcs HiFi
OFC Pure Copper 2mm to 4mm Banana Female Connector 4Pcs HiFi
OFC Pure Copper 2mm Pin to 4mm Banana Female Connectors – 24K Gold Plated, Set of 4
Elevate your HiFi audio setup with these premium OFC (Oxygen-Free Copper) binding post connectors. Featuring a 2mm pin input and 4mm banana female socket, each connector is coated in 24K gold plating for outstanding signal integrity, minimal resistance, and long-lasting corrosion resistance. Perfect for DIY speaker cable projects, home audio systems, and stage setups.
Why Choose These Connectors?
- 24K Gold-Plated OFC Pure Copper: The combination of oxygen-free copper construction and 24K gold plating ensures pure, low-loss signal transmission while maximizing corrosion and oxidation resistance for years of reliable performance.
- Flexible Connectivity: Supports both 4mm banana plug sockets and 2mm pin interfaces, allowing direct banana plug connections or secure screw-attachment to speaker cables — versatile enough for virtually any HiFi DIY scenario.
- All-Copper Terminals & Internals: Every terminal and internal connecting part is crafted from pure copper to maximize current transmission efficiency, reduce resistance and heat build-up, and deliver cleaner, fuller audio reproduction.
- Transparent Crystal Binding Post Design: The sleek, transparent crystal housing is as attractive as it is practical — it enhances the aesthetic of any home audio or stage environment while letting you visually confirm each connection at a glance.
- Set of 4 (2 Black + 2 Red): Includes a color-coded pair set for easy positive/negative identification during installation.
Specifications
| Material | OFC Pure Copper (body); Plastic (housing shell); 24K Gold Plating |
| Pin Diameter | 2mm |
| Plug Diameter | 4mm (banana female socket) |
| Pin Length | 16.5mm |
| Total Length | 44mm |
| Gender | Female |
| Package Contents | 2 x Black Plug, 2 x Red Plug (4 pieces total) |
| Country of Origin | Made in China |
Ideal For
- HiFi speaker cable DIY builds
- Home audio amplifier connections
- Stage audio systems and professional AV setups
- Audio equipment binding posts and terminals
For more information on electrical connector safety and standards, visit the U.S. Consumer Product Safety Commission (CPSC).
Note: Slight color variation may occur due to display settings and lighting. Measurement tolerance: ±1–3mm.
Frequently Asked Questions
Q: What is the difference between OFC copper and standard copper connectors?
A: OFC (Oxygen-Free Copper) connectors contain a higher purity of copper with significantly reduced oxygen content compared to standard copper. This results in better electrical conductivity, lower signal loss, and greater resistance to oxidation over time — making OFC connectors a preferred choice for HiFi audio applications where signal clarity matters.
Q: Can these 2mm pin to 4mm banana female connectors be used with any standard banana plug speaker cable?
A: Yes. The 4mm banana female socket is compatible with all standard 4mm banana plugs used in home audio, HiFi amplifiers, and speaker systems. The 2mm pin interface also allows direct connection or screw-down attachment to bare speaker cable wires, giving you flexible installation options for a wide range of setups.
Q: How does the 24K gold plating benefit the audio signal?
A: The 24K gold plating on the connector contacts resists oxidation and corrosion that can degrade electrical connections over time. A clean, oxidation-free contact surface maintains consistent conductivity, which translates to a stable, high-fidelity audio signal with minimal interference or degradation in your HiFi system.
Q: What is included in the package?
A: Each set includes 4 connectors total: 2 x Black Plug and 2 x Red Plug. No additional accessories or cables are included. These are the connector terminals only.