Knowles SPH0641 Telecom Mic from Japan
Knowles SPH0641 digital I2S output microphone for telecom applications, 300 Hz to 3.4 kHz, 3.5 mm x 2.65 mm footprint (dia equiv <10 mm), height 1.15 mm. Used in smart devices for speech recognition. HTS 8518.10.40.00 due to telecom specs.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include DSP output specs in entry docs; digital mics scrutinized for hybrid circuit classification
• Pre-clear with binding ruling if volume >10k units for consistent classification