RFI Noise Ferrite Core Filter — single clipon clamp filter that reduces electromagnetic (EMI) and radio frequency interference (RFI) to improve audio, video, and photo signal quality. Key benefits Reduces audible hum, video lines, and image artifacts caused by EMI/RFI, improving clarity in recordings and playback. Simple clipon installation with a snapon magnetic ring — installs without tools and secures around the cable without pinching or locking the wire. Durable, wearresistant shell with temperature tolerance for reliable, longlasting performance in everyday and harsh environments. Available in two sizes (17 mm and 24 mm) for broad compatibility with common cable diameters. Features Ferrite core clamp filter designed to suppress frequency interference on data, audio, and power lines. Single clipon unit for quick retrofitting to existing cables. Snapon magnetic ring design for fast, repeatable application and removal. Robust outer shell resists wear and withstands elevated temperatures encountered near electronics. Compatibility and sizing Choose 17 mm or 24 mm size to match your cable diameter and device layout. Works with audio cables, video/HDMI cables, camera and accessory leads, USB and power cords, speaker and microphone lines, and other wiring where RFI/EMI is a concern. Typical applications Video production and photography: attach to camera or monitor cables to reduce interference that can show as noise or artifacts in recordings and live feeds. Audio systems and live sound: fit to microphone, instrument, or speaker leads to minimize hum and RF pickup. Home and security electronics: install on HDMI, USB, or power cables for TVs, DVRs, and surveillance cameras to improve signal stability. What you get One clipon ferrite core filter, available in 17 mm or 24 mm size. Ideal for quick, effective interference suppression with easy installation and durable construction.