Heading 8518 (Microphone (microphone) and its mount; Speakers, whether installed as speakers or not; Headphones, earplugs, whether or not equipped with a microphone, a combination device consisting of a microphone and one or more speakers; Audio amplifier; Electrical sound amplification unit) contains 6 sub-codes. Open a sub-code for the applicable MFN rate, temporary rate, consumption tax, VAT and any FTA / RCEP preferential rate.