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| Commodity | 2005 | 2006 | 2007 |
| Microphones & stands therefor | $4,878 | $2,458 | $5,874 |
| Single loudspeakers, mounted in their enclosures | $2,310 | $1,231 | $897 |
| Multiple loudspeakers, mounted in the same enclosure | $4,839 | $997 | $1,020 |
| Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures | $8,077 | $5,101 | $10,368 |
| Headphones & earphones, whether or not combined with a microphone, & sets c ... | $88 | $1,487 | $5,570 |
| Audio-frequency elec. amplifiers | $12,350 | $1,332 | $908 |
| Electric sound amplifier sets | $19,106 | $60,553 | $11,309 |
| Parts of the app. & equip. of 85.18 | $730 | $20,720 | $4,025 |
| Total | $52,378 | $93,879 | $39,971 |
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