Features: Professional 4 Stage Filter effectively suppresses electromagnetic interferences up to 220V, ensuring stable sound equipment operations and full compliance for clear sound quality. Features two mode filtration technology with fire resistant plastic housing, eliminating both differentials/common mode noise while maintaining performances in high temperatures industrial. Essential for sound engineer optimizing studio gear, electronics developers creating interferences resistant devices, and audiophiles upgrading home theater systems. Perfectly integrates with power amplifiers and mixing consoles in recording studios, protects PLC systems in manufacturing plant, and enhanceds TV/sound setups in living room. This power lines filter combines militarys interferences suppression with universal voltages adaptability, making for professional installations and residential sound optimization alike. Specifications: Materials: Plastic Size: as picture shown Styles: 4A, 8A, 16A(optional) Package Includes: 1PC Power Filter Board note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.