4mm Telescopic Banana Plug Audio Connector – Durable, Safe & Reliable for Professional Testing
Enhance your electrical testing and audio connectivity with our premium 4mm telescopic Banana Plug Connector. Designed for precision, safety, and long-term durability, this solder-type banana plug is ideal for laboratory setups, educational institutions, industrial equipment calibration, and professional audio systems. Whether you're working in a university physics lab or building custom test benches, this robust connector ensures stable signal transmission without interference.
Key Features
- High-Quality Materials: Constructed from flame-retardant, impact-resistant thermoplastic, these banana plugs meet international safety standards for electrical components used in high-voltage environments.
- Telescoping Design: The 19mm inner plug extends smoothly to fit securely into 4mm jacks—ideal for quick connections without tools or adjustments.
- Standardized Dimensions: With a total length of 54mm, it fits seamlessly into most standard banana jack panels found in multimeters, power supplies, and benchtop testers.
- Professional Grade Performance: Engineered for consistent conductivity and minimal resistance, reducing heat buildup during extended use in demanding applications.
- Stackable Compatibility: Allows multiple connectors to be stacked vertically on terminal blocks or breadboards—a must-have for modular test rigs and prototyping stations.
Detailed Description
This 4mm banana plug is manufactured using advanced injection molding techniques and precision machining to ensure uniformity across every unit. The brass contact pin provides excellent electrical conductivity while the insulating housing resists both thermal degradation and mechanical stress. Each piece undergoes rigorous quality control checks including pull tests, temperature cycling, and continuity verification—guaranteeing reliability under real-world conditions. Unlike cheaper alternatives that may degrade over time due to oxidation or wear, our design incorporates corrosion-resistant plating for sustained performance even after hundreds of insertions. The product comes in various configurations: single-use, stackable, and solder-type options—all sharing the same core benefits. These are particularly valuable for engineers, technicians, educators, and hobbyists who require dependable hardware for voltage measurement, speaker wiring, or circuit prototyping. The ergonomic shape allows easy handling, minimizing fatigue during repetitive installation tasks.
Use Cases
Ideal for: - Laboratory power supply connections - Educational electronics kits and science experiments - Audio system integration (e.g., connecting speakers to amplifiers) - Industrial control panel wiring - DIY electronics projects requiring secure, tool-free connections - Calibration equipment setup in manufacturing environments
User Feedback
Users consistently praise its solid build, smooth insertion, and compatibility with a wide range of devices. Many note how it eliminates loose connections often experienced with low-grade banana plugs—especially important when conducting sensitive measurements. One engineer from Germany commented, “I’ve tried several brands, but none offer this level of consistency in performance and material quality.” Another user from Canada added, “Perfect for stacking multiple probes in my oscilloscope setup—it’s clean, reliable, and doesn’t wobble like other models.”
Frequently Asked Questions
- Are you a manufacturer? Yes, we produce these connectors in-house at our facility in Changzhou, China. We support OEM/ODM services globally for customized branding and specifications.
- Can I get a free sample? Existing stock samples are provided at no cost, though shipping fees apply. For special requests, please reach out directly for tailored options.
- What payment methods do you accept? We primarily work with bank transfers (T/T), but alternative arrangements can be discussed based on order volume and customer needs.
- Is the quality guaranteed? Absolutely. Our production line uses state-of-the-art machinery and follows ISO-compliant processes. Every batch is tested for compliance with CE, RoHS, and IEC standards before shipment.
- How long does delivery take? Production lead time ranges from 10 to 25 days post-deposit, depending on order quantity. Express shipping available upon request.
- What else can I buy from you? In addition to banana plugs, we supply RF connectors, Fakra connectors, HSD connectors, wire harnesses, car antenna adapters, and video/audio interface solutions for professional applications worldwide.
Product Categories : Audio And Video Connector > Banana Plug Connector
