Optimal Performance: Reduces high frequency power supply and noise, enhancing sound clarity in HiFi audio systems. Versatile Compatibility: Available in multiple current ratings (2A, 4A, 10A, 20A) to suit various amplifiers and power needs. Advanced Technology: Utilizes low pass EMC technology to shield equipment from electromagnetic interference, ensuring high fidelity sound reproduction. Easy Installation: Compact and design allows for straightforward integration into existing audio setups, ideal for audiophiles. This DC LC Filter is designed to elevate your audio experience by providing clear and uninterrupted sound. Its advanced technology effectively minimizes interference, making it a crucial upgrade for any audio enthusiast. With various current ratings available, it caters to a wide range of amplifiers, ensuring compatibility and optimal performance. The easy installation process allows you to enhance your audio system without hassle. Color: As Shown Material: PCB Specification: 4A Package Contents: 1*Filtration Finished Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.