Answering Machine Audio Codec PCA from Canada
Specialized printed circuit board with ADC/DAC chips and amplifiers for digitizing and reproducing voice messages in telephone answering devices. Essential for the core recording functionality of 8521 apparatus. Falls under 8522.90.45.00 due to its principal use in answering machines.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide circuit schematics showing voice I/O paths exclusive to answering functions
• Ensure no multi-functionality that could classify as generic telecom parts
• Certify RoHS compliance for electronics imports