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EMI RFI shielding ferrite magnetic rings, anti-interference cable ferrite chokes, snap-on ferrite core clamps, multi-size ferrite noise suppression rings, USB HDMI cable interference filter rings
EMI RFI shielding ferrite magnetic rings, anti-interference cable ferrite chokes, snap-on ferrite core clamps, multi-size ferrite noise suppression rings, USB HDMI cable interference filter rings
EMI RFI shielding ferrite magnetic rings, anti-interference cable ferrite chokes, snap-on ferrite core clamps, multi-size ferrite noise suppression rings, USB HDMI cable interference filter rings
EMI RFI shielding ferrite magnetic rings, anti-interference cable ferrite chokes, snap-on ferrite core clamps, multi-size ferrite noise suppression rings, USB HDMI cable interference filter rings
EMI RFI shielding ferrite magnetic rings, anti-interference cable ferrite chokes, snap-on ferrite core clamps, multi-size ferrite noise suppression rings, USB HDMI cable interference filter rings
EMI RFI shielding ferrite magnetic rings, anti-interference cable ferrite chokes, snap-on ferrite core clamps, multi-size ferrite noise suppression rings, USB HDMI cable interference filter rings
EMI RFI shielding ferrite magnetic rings, anti-interference cable ferrite chokes, snap-on ferrite core clamps, multi-size ferrite noise suppression rings, USB HDMI cable interference filter rings
EMI RFI shielding ferrite magnetic rings, anti-interference cable ferrite chokes, snap-on ferrite core clamps, multi-size ferrite noise suppression rings, USB HDMI cable interference filter rings
EMI RFI shielding ferrite magnetic rings, anti-interference cable ferrite chokes, snap-on ferrite core clamps, multi-size ferrite noise suppression rings, USB HDMI cable interference filter rings
EMI RFI shielding ferrite magnetic rings, anti-interference cable ferrite chokes, snap-on ferrite core clamps, multi-size ferrite noise suppression rings, USB HDMI cable interference filter rings
EMI RFI shielding ferrite magnetic rings, anti-interference cable ferrite chokes, snap-on ferrite core clamps, multi-size ferrite noise suppression rings, USB HDMI cable interference filter rings
EMI RFI shielding ferrite magnetic rings, anti-interference cable ferrite chokes, snap-on ferrite core clamps, multi-size ferrite noise suppression rings, USB HDMI cable interference filter rings
EMI RFI shielding ferrite magnetic rings, anti-interference cable ferrite chokes, snap-on ferrite core clamps, multi-size ferrite noise suppression rings, USB HDMI cable interference filter rings
EMI RFI shielding ferrite magnetic rings, anti-interference cable ferrite chokes, snap-on ferrite core clamps, multi-size ferrite noise suppression rings, USB HDMI cable interference filter rings

EMI RFI Shielding Ferrite Core Magnetic Rings – Anti-Interference Cable Clamp Chokes

Snap-On/Clip-On Ferrite Cores | Multi-Size Options | Reduce Noise for USB/HDMI/Power Cables

⭐ Product Overview (Right of Main Image)

These ferrite anti-interference magnetic rings solve the #1 pain point of electronics: electromagnetic interference (EMI/RFI). Built from high-permeability ferrite material, they absorb high-frequency noise (10MHz-3GHz) that causes audio static, video glitches, or device signal loss.
With a snap-on/clip-on design (no tools needed) and 5 size options (fit cables 3.5mm-13mm), they’re the go-to solution for:
  • Fixing static in audio systems (headphones, speakers)
  • Eliminating glitches in HDMI video cables
  • Reducing interference in USB/power cables for computers/printers
  • Complying with EMI standards for electronic products

⭐ Product Features (Differentiated Selling Points)

🔹 1. 5 Multi-Size Set: Fit Any Cable

Covers 99% of common cable diameters:
Magnet Ring Size Cable Diameter Range Ideal Cables
Φ3.5mm 2-4mm Micro USB, headphone cables
Φ5mm 3-6mm USB-A, Lightning cables
Φ7mm 5-8mm HDMI, Ethernet cables
Φ9mm 7-10mm Power cables, USB-C charging cables
Φ13mm 10-14mm Heavy-duty power cables, monitor cables

🔹 2. Snap-On/Clip-On Design: 10-Second Installation

No cutting, no stripping – just snap the ferrite ring onto the cable (close the clip until it clicks). Reusable: move between cables as needed for different devices.

🔹 3. High-Performance EMI/RFI Shielding

Made from Mn-Zn ferrite (high magnetic permeability):
  • Absorbs 80%+ of high-frequency noise (10MHz-3GHz)
  • Eliminates audio static, video flicker, and signal dropouts
  • Helps electronic products meet global EMI compliance standards (FCC, CE)

🔹 4. Durable & Heat-Resistant

Flame-retardant plastic casing + high-temperature ferrite core:
  • Works in -40℃ to 120℃ environments
  • Resists wear, impact, and cable bending (no cracking or performance loss)
5.0
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    Effective Interference Reduction Solution 

    EMI RFI Shielding Ferrite Core Magnetic Rings effectively suppress high-frequency noise to eliminate audio static, video glitches, and signal interference for USB, HDMI, and power cables. Their durable, heat-resistant snap-on design allows quick, tool-free installation across multiple cable sizes, ensuring a secure fit for a wide range of devices. Packaged in assortments with flame-retardant casings, these reusable rings provide a cost-effective, universal solution that enhances electronic performance and EMI compliance.

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    Effective EMI Suppression Rings

    These EMI/RFI shielding ferrite core magnetic rings feature a high-permeability Mn-Zn ferrite core encapsulated in a durable, flame-retardant plastic casing, designed to absorb and suppress electromagnetic interference ranging from 10MHz to 3GHz. Their snap-on, clip-on design allows for quick, tool-free installation and removal, while the five multi-size options ensure compatibility with a wide range of cables including USB, HDMI, and power cords. Engineered for durability and heat resistance (-40℃ to 120℃), these magnetic rings effectively reduce audio static, video glitches, and signal loss, enhancing the performance and compliance of electronic devices.

    Effective EMI RFI Suppression 

    These anti-interference ferrite magnetic rings effectively reduce EMI and RFI noise on USB, HDMI, and power cables through a high-permeability Mn-Zn ferrite core that absorbs high-frequency interference from 10MHz to 3GHz. Featuring a snap-on, clip-on design with multiple size options (Φ3.5mm to Φ13mm), they provide quick, tool-free installation for various cables including headphones, Ethernet, and heavy-duty power cords. Built with durable, flame-retardant plastic casings, these rings withstand extreme temperatures and wear, making them ideal for improving audio/video clarity and stabilizing electronic device signals.


    ◎ Versatile Fit 

    ◎ Superior Noise Reduction

    ◎ Durable Safety

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    Effective Noise Suppression, Durable Design

    EMI RFI Shielding Ferrite Core Magnetic Rings effectively reduce electromagnetic and radio frequency interference, ensuring stable and clear signal transmission for your electronic devices. Made from high-quality ferrite material, these cable clamp chokes provide durable performance while easily attaching to cables without causing damage. Their compact design, strong magnetic properties, and efficient noise suppression make them ideal for improving overall device reliability and minimizing signal disruption.

    Material introduction

    These EMI/RFI shielding ferrite magnetic rings are crafted from high-permeability Mn-Zn ferrite cores combined with durable, flame-retardant plastic casings. This material composition enables effective absorption of high-frequency electromagnetic noise while providing heat resistance and mechanical durability across a wide temperature range (-40℃ to 120℃). The snap-on design ensures secure attachment without damaging cables, making these rings both functional and long-lasting for various electronic interference solutions.


    ◎ EMI/RFI Shielding Ferrite Core 

    ◎ Aluminum Housing Connector

    ◎ PVC Insulated Cable Sleeve

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    FAQ

    1
    What is the primary purpose of EMI RFI shielding ferrite core magnetic rings?
    These ferrite core magnetic rings are designed to suppress electromagnetic interference (EMI) and radio-frequency interference (RFI) in electronic cables by absorbing high-frequency noise, thereby improving signal integrity and reducing electromagnetic disturbances.
    2
    In which types of cables can I use ferrite core magnetic rings?
    They can be used on a variety of cables including power cords, USB cables, HDMI cables, audio and video cables, and network cables to minimize interference and ensure cleaner signal transmission.
    3
    How do ferrite core magnetic rings work to reduce interference?
    The ferrite material in the core acts as a passive filter that absorbs and dissipates high-frequency noise through magnetic loss, effectively reducing unwanted electromagnetic signals traveling along the cable.
    4
    Are these ferrite core rings reusable and easy to install?
    Yes, ferrite core magnetic rings typically have a clamp or snap-on design that allows for easy installation and removal without damaging the cables, making them reusable and convenient for various applications.
    5
    Can ferrite core magnetic rings be used in both home and industrial environments?
    Absolutely. They are useful in home electronics setups to reduce interference in audio/video systems, as well as in industrial equipment where electromagnetic noise can affect machinery and communication signals.
    6
    What factors should I consider when choosing the right ferrite core magnetic ring for my application?
    Consider the cable diameter, frequency range of the interference you want to suppress, and the number of rings needed for effective noise reduction. Also, ensure the core material and design match your EMI/RFI suppression requirements.
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