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| Commodity | 2009 | 2010 | 2011 |
| Microphones & stands therefor | $116,140 | $121,117 | $127,615 |
| Single loudspeakers, mounted in their enclosures | $88,946 | $75,067 | $95,974 |
| Multiple loudspeakers, mounted in the same enclosure | $9,933 | $17,253 | $46,430 |
| Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures | $566,122 | $543,609 | $582,758 |
| Headphones & earphones, whether or not combined with a microphone, & sets c ... | $230,882 | $255,690 | $469,793 |
| Audio-frequency elec. amplifiers | $96,566 | $41,217 | $90,375 |
| Electric sound amplifier sets | $259,225 | $213,901 | $211,066 |
| Parts of the app. & equip. of 85.18 | $102,817 | $53,741 | $40,289 |
| Total | $1,470,631 | $1,321,595 | $1,664,300 |
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