WM8731 Audio Codec DAC from China
The WM8731 is a low-power stereo audio DAC with headphone driver, designed for portable multimedia applications with I2S interface and programmable controls. While technically a codec, primary function is high-quality audio digital-to-analog conversion. Classified HTS 8542.39.0040 focusing on DAC capability.
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
• Emphasize SNR, THD specifications and headphone drive capability in technical documentation
• Comply with mobile device battery efficiency standards and charging circuit compatibility
• Distinguish from complete audio subsystems; single IC classification despite codec features