Product Name: Ferrite Core Filter Type: Ferrite Core Noise Suppressor Fit Cable Diameter: fits cables with diameter up to 3.5 mm (0.14 in) External Size: 25 x 13 x 11 mm (L x W x T) or 0.98' x 0.50' x 0.43' Overview The Ferrite Core Filter is a passive noise suppressor designed to reduce frequency interference on 3.5 mm cables. Its ferrite core provides effective EMI/RFI damping without the need for power or complex installation. Key benefits Improves signal clarity by dampening frequency noise on 3.5 mm cables Passive, no power required and maintenance Compact and lightweight, designed to fit in tight setups Durable ferrite core construction for reliable longterm use Clear specification compatibility with cables up to 3.5 mm diameter What it is used for Audio applications such as headphones, earphones, and computer audio cables Connection lines between peripherals, DACs, or mobile devices with 3.5 mm jacks Cameras, recorders, and portable devices where reduced noise improves signal quality Applications and scenarios Home audio and PC setups: reduce hum and frequency buzz on 3.5 mm headphone or line cables Onthego recording: minimize interference on 3.5 mm mic or line cables in dynamic environments Portable media and gaming: enhance audio stability for handheld devices and external sound adapters Material and construction Ferrite Core: provides effective frequency impedance to suppress noise No power or batteries required; simply place on the cable as specified Notes Ensure your cable diameter does not exceed 3.5 mm for proper fit External dimensions provided for space planning in compact installations