Audio Active High-Pass Filter IC from China
This integrated circuit provides active high-pass filtering for audio applications, blocking low frequencies like rumble while amplifying mid-to-high ranges. It qualifies for HTS 8542.39.00.20 as an active filter with built-in op-amps. Used in professional sound equipment and consumer hi-fi systems.
Duty Rate — China → United States
50%
Rate breakdown
9903.91.0550%Effective with respect to entries on or after January 1, 2025, articles the product of China, as provided for in subdivision (f) of U.S. note 31 to this subchapter
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Label shipments clearly as 'active filter IC' with part numbers matching filter specs
• Batch import with volume declarations to optimize duty calculations