8518210000 under HS Code MICROPHONES AND STANDS THEREFOR; LOUDSPEAKERS, WHETHER OR NOT MOUNTED IN THEIR ENCLOSURES; HEADPHONES AND EARPHONES, WHETHER OR NOT COMBINED WITH A MICROPHONE, AND SETS CONSISTING OF A MICROPHONE AND ONE OR MORE LOUDSPEAKERS; AUDIOFREQUENCY ELECTRIC AMPLIFIERS; ELECTRIC SOUND AMPLIFIER SET - LOUDSPEAKERS, WHETHER OR NOT MOUNTED IN THEIR ENCLOSURES: SINGLE LOUDSPEAKERS, MOUNTED IN THEIR ENCLOSURES and 8518220009 under HS Code MICROPHONES AND STANDS THEREFOR; LOUDSPEAKERS, WHETHER OR NOT MOUNTED IN THEIR ENCLOSURES; HEADPHONES AND EARPHONES, WHETHER OR NOT COMBINED WITH A MICROPHONE, AND SETS CONSISTING OF A MICROPHONE AND ONE OR MORE LOUDSPEAKERS; AUDIOFREQUENCY ELECTRIC AMPLIFIERS; ELECTRIC SOUND AMPLIFIER SET - LOUDSPEAKERS, WHETHER OR NOT MOUNTED IN THEIR ENCLOSURES: MULTIPLE LOUDSPEAKERS, MOUNTED IN THE SAME ENCLOSURE were the top imported HS Codes by PKF INTERA LLC in 2021.