Professional Earset Microphone Amplifier Board
Printed circuit assembly for headworn earset microphones used in broadcasting and theater (8518.10.40). Contains close-talking mic preamp and beltpack amplifier circuitry. PCA of specified professional microphone articles.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If complete earphone + microphone sets for personal use
Combination headset sets classified differently from mic parts.
If standalone earphone/ headphone amplifier boards
Parts for headphones use separate provisions.
If paging or wireless communication receivers
If contains paging/alert receiver circuitry per Chapter notes.
Not sure which classification is right?
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Import Tips & Compliance
• Classify as mic component even with beltpack form factor if mic-specific
• Include lavalier/earset wiring diagrams showing integration
• ITAR concerns if military communication spec; verify export controls
Related Products under HTS 8518.90.60.00
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This printed circuit assembly contains the amplification circuitry specifically designed for professional condenser microphones under subheading 8518.10.40. It processes low-level audio signals from the microphone capsule with high gain and low noise. Classified under 8518.90.60.00 as a PCA of those microphones.
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