What size cables fit the Japan KG RFC-10 Ferrite Core?

The Japan KG RFC-10 Ferrite Core is specifically designed to fit cables with an outer diameter between 9.5mm and 10.5mm. This makes it ideal for thicker power cords, heavy-duty HDMI cables, and premium audio interconnects.

Is a clip-on ferrite core better than buying a new shielded cable?

Adding the Japan KG RFC-10 Ferrite Core is a highly cost-effective alternative to replacing your entire cable setup. If your current unshielded cables are picking up interference, snapping on this ferrite core will filter out the noise without the expense and hassle of routing brand new shielded cables.

Where exactly should I place the Japan KG RFC-10 Ferrite Core on my cable?

You should place the Japan KG RFC-10 Ferrite Core as close to the receiving end of the cable as possible. For example, if you are filtering an audio cable connecting to a speaker, clip the core right next to the plug that enters the speaker to block noise right before it enters the device.

Can I buy multiple Japan KG RFC-10 Ferrite Cores at your Sham Shui Po store today?

Absolutely! Sun Cheong Computer Co. Ltd. keeps a large inventory of electronic components and EMI filters at our Sham Shui Po physical store. You can order online and pick up as many ferrite cores as you need instantly during our business hours.

Will this ferrite core fix the buzzing sound in my studio speakers?

The Japan KG RFC-10 Ferrite Core is highly effective at eliminating buzzing sounds caused by electromagnetic interference (EMI) or radio frequency interference (RFI) picked up by your speaker cables. Simply clip it onto the audio or power cable to absorb the unwanted high-frequency noise.

Japan KG RFC-10 Ferrite Core

Name: Japan KG RFC-10 Ferrite Core | 10mm EMI Filter
Brand: Sun Cheong Computer Company Limited
SKU: 21PS000019
Price: 22.0 TWD
Availability: InStock

Short Product Description

Experiencing audio buzz or monitor flickering? The Japan KG RFC-10 Split Toroidal Ferrite Core is a clip-on EMI noise filter designed for 9.5mm to 10.5mm cables. This premium Japanese component instantly suppresses high-frequency electromagnetic interference on HDMI, VGA, audio, and power cords, ensuring stable signal transmission. No tools are required—simply snap the plastic housing over your existing cables! Need to fix a noisy home theater or studio setup today? Sun Cheong Computer Co. Ltd. (新昌電腦有限公司) has these essential audio-visual accessories in-stock at our Sham Shui Po store for instant pickup!

Key Features

Premium EMI Suppression: High-quality Japanese ferrite material effectively filters out high-frequency noise and electromagnetic interference.
Tool-Free Installation: The split toroidal design with a plastic clip housing allows for instant installation on existing cables.
Perfect for 10mm Cables: Specifically engineered to fit thick cables with an outer diameter between 9.5mm and 10.5mm.
Improves AV Quality: Eliminates audio buzzing and video flickering on HDMI, VGA, AV, and high-end audio cables.
Protects Data Integrity: Stabilizes signal transmission speeds on computer data cables, USB cords, and network lines.
Instant Store Pickup: Don't wait for shipping when troubleshooting AV issues; grab these cores instantly at our Sham Shui Po retail location.

Full Product Description

Eliminate Cable Interference Instantly

The Japan KG RFC-10 Ferrite Core instantly removes electromagnetic interference (EMI) from your electronic cables to restore pure signal quality. In modern homes and offices, power cables and data lines often run close together, creating invisible electromagnetic fields that cause audio buzzing, video flickering, or data loss. By adding this high-quality Japanese ferrite core to your setup, you can effectively absorb and dissipate this high-frequency noise, ensuring your equipment operates at peak performance.

Snap-On Design for 10mm Cables

The Japan KG RFC-10 Ferrite Core features a convenient split plastic housing that snaps directly onto any 9.5mm to 10.5mm cable without cutting or soldering. This user-friendly clip-on mechanism allows you to retrofit existing cables in seconds. Whether you are upgrading a thick power cord or a heavy-duty component video cable, the secure locking clasp ensures the ferrite core stays firmly in place, providing continuous interference suppression.

Universal AV and Data Protection

You can use the Japan KG RFC-10 Ferrite Core to protect HDMI, VGA, USB, and high-end audio cables from high-frequency noise. It acts as a universal shield for a wide variety of applications, from home theater systems and studio recording equipment to industrial radar signal cables and CATV setups. By preventing external noise from entering your data streams, it drastically improves signal transmission speed and stability across your entire network.

💡 Pro Tip from Our Technicians

"When installing the Japan KG RFC-10 Ferrite Core, always place it as close to the receiving device (like your monitor or audio amplifier) as possible for maximum EMI suppression! If your cable is slightly thinner than 9.5mm, you can loop the cable through the ferrite core twice before snapping it shut to ensure a tight, effective magnetic field. Need help troubleshooting a noisy audio setup or a flickering display? Visit our Sham Shui Po store! Our staff at Sun Cheong Computer Co. Ltd. (新昌電腦有限公司) can help you select the exact ferrite core sizes for your specific cables."

Technical Specifications

Brand / Model: Japan KG / RFC-10
Product Type: Split Toroidal Ferrite Core (EMI Noise Filter)
Supported Cable Size (Inner Diameter): 9.5mm to 10.5mm
Outer Diameter: 26.4mm
Overall Length: 32.4mm
Core Material: High-frequency absorbing Ferrite
Housing Material: Durable Plastic with locking clip
Applications: Audio cables, VGA, HDMI, power cords, USB, CATV, radar signals

Delivery Options

Local delivery within Hong Kong and in-store pickup.
Free shipping for orders of HK$400 or above; HK$35 shipping fee for orders below HK$400.
Shipped by SF Express, usually dispatched the same day for orders confirmed before 6:00 PM (Mon–Sat).
Estimated delivery time: 1–3 business days after dispatch (Hong Kong).
In-store pickup details (location and time) will be confirmed by email or phone message.
Delivery times are estimates and may be affected by weather or unforeseen circumstances.

FAQ Section

What size cables fit the Japan KG RFC-10 Ferrite Core?The Japan KG RFC-10 Ferrite Core is specifically designed to fit cables with an outer diameter between 9.5mm and 10.5mm. This makes it ideal for thicker power cords, heavy-duty HDMI cables, and premium audio interconnects.
Is a clip-on ferrite core better than buying a new shielded cable?Adding the Japan KG RFC-10 Ferrite Core is a highly cost-effective alternative to replacing your entire cable setup. If your current unshielded cables are picking up interference, snapping on this ferrite core will filter out the noise without the expense and hassle of routing brand new shielded cables.
Where exactly should I place the Japan KG RFC-10 Ferrite Core on my cable?You should place the Japan KG RFC-10 Ferrite Core as close to the receiving end of the cable as possible. For example, if you are filtering an audio cable connecting to a speaker, clip the core right next to the plug that enters the speaker to block noise right before it enters the device.
Can I buy multiple Japan KG RFC-10 Ferrite Cores at your Sham Shui Po store today?Absolutely! Sun Cheong Computer Co. Ltd. keeps a large inventory of electronic components and EMI filters at our Sham Shui Po physical store. You can order online and pick up as many ferrite cores as you need instantly during our business hours.
Will this ferrite core fix the buzzing sound in my studio speakers?The Japan KG RFC-10 Ferrite Core is highly effective at eliminating buzzing sounds caused by electromagnetic interference (EMI) or radio frequency interference (RFI) picked up by your speaker cables. Simply clip it onto the audio or power cable to absorb the unwanted high-frequency noise.

Target Users / Applications

Audiophiles & Studio Engineers: Eliminating static, hum, and RFI from thick, high-end audio interconnects and studio monitor power cords.
Home Theater Installers: Fixing screen flickering and signal dropouts on long HDMI or component video cables running near power lines.
IT & Network Technicians: Stabilizing data transmission on thick CATV, radar signal cables, or server power cords exposed to heavy electromagnetic interference.