22-Piece Clip-On Ferrite Core EMI RFI Noise Suppressor Clips

Clean Up Your Signal with Ferrite Core Cable Clips

Say goodbye to interference-related signal degradation. This 22-piece set of clip-on ferrite ring core chokes is designed to suppress electromagnetic interference (EMI) and radio frequency interference (RFI) on USB, audio, video, and power cables. Simply snap them onto your cables — no cutting, soldering, or special tools required — and enjoy cleaner, more stable signal transmission across all your connected devices.

Whether you're dealing with buzzing in your speakers, static on your display, or erratic USB connectivity, ferrite chokes work by absorbing high-frequency noise traveling along your cable lines, allowing only the intended signal to pass through cleanly.

Key Features

• 22 Clip-On Ferrite Cores — a generous set to outfit your entire workstation or home entertainment setup
• EMI & RFI Suppression — reduces electromagnetic and radio frequency interference on signal and power cables
• Universal Snap-On Design — attaches quickly to USB, audio, video, HDMI, and power cords without any modification
• Durable Plastic Housing — protects the ferrite ring core and keeps the clip securely fastened to the cable
• Versatile Application — ideal for computers, home theaters, audio/video setups, ham radio stations, and more
• No Battery or Wiring Required — passive, maintenance-free operation

What Is a Ferrite Core Choke?

A ferrite bead or ring core choke is a passive electronic component made from ferrite material. When clamped around a cable, it acts as an inductor that filters out unwanted high-frequency noise signals (EMI/RFI) while allowing the DC or low-frequency signal to pass normally. This is widely used in professional electronics, audio equipment, and computing to improve signal integrity. Learn more about EMI and electronic interference at the National Institute of Standards and Technology (NIST) Electromagnetics Division.

What's In the Box

• 22 × Clip-On Ferrite Ring Core Bead Chokes (assorted sizes)

Made in Mainland China.

Compatible With

• USB cables (USB-A, USB-B, USB-C)
• Audio cables (3.5mm, RCA, XLR)
• Video cables (HDMI, VGA, DisplayPort)
• Power cords and DC adapter leads
• Ethernet and network cables

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Frequently Asked Questions

Q: What cable sizes do these ferrite core clips fit?

A: This 22-piece set includes assorted sizes to accommodate a range of cable diameters, from thin USB and audio cables to thicker power cords. Each clip-on ferrite core simply snaps open, wraps around your cable, and locks shut — no tools needed.

Q: Will ferrite core chokes affect my data transfer speeds or audio quality?

A: No. Ferrite core bead chokes are passive components that specifically target high-frequency EMI/RFI noise. They do not affect normal operating frequencies used for data transfer or audio signals, so your performance remains intact while unwanted interference is reduced.

Q: How many cables can I treat with this 22-piece set?

A: You get 22 individual clip-on ferrite cores, so you can treat up to 22 separate cables, or stack 2–3 cores on a single cable for enhanced suppression — a common technique for particularly noisy lines.

Q: Are these ferrite chokes reusable?

A: Yes. The snap-on plastic housing allows you to open, reposition, and reuse the ferrite cores on different cables as your setup changes. No adhesive or permanent attachment is involved.