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| Commodity | 2005 | 2007 | 2008 |
| Microphones & stands therefor | $3,149,720 | $2,136,344 | $1,124,064 |
| Single loudspeakers, mounted in their enclosures | $4,209,862 | $5,462,817 | $6,424,586 |
| Multiple loudspeakers, mounted in the same enclosure | $8,044,633 | $24,331,483 | $12,393,800 |
| Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures | $4,238,033 | $9,645,304 | $3,655,566 |
| Headphones & earphones, whether or not combined with a microphone, & sets c ... | $5,902,665 | $8,339,050 | $11,278,343 |
| Audio-frequency elec. amplifiers | $12,330,677 | $3,799,031 | $4,233,313 |
| Electric sound amplifier sets | $3,509,874 | $10,181,531 | $8,239,401 |
| Parts of the app. & equip. of 85.18 | $1,289,392 | $4,854,050 | $3,549,250 |
| Total | $42,674,856 | $68,749,610 | $50,898,323 |
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