8531.90.90.01/Fire Alarm Horn Driver Board/Japan

Fire Alarm Horn Driver Board from Japan

Digital signal processor board amplifying coded tones (ANSI S3.41) for fire alarm horns in high-rise buildings. HTS 8531.90.90.01 part for sound signaling fire alarms. Temporal-3 pattern capable.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• NFPA 72 certification and temporal pattern test reports essential for entry

• dBA output curves must match fire code specs (e.g

• 90dBA @10ft)