|
| Commodity | 2005 | 2006 | 2007 | 2008 |
| Microphones & stands therefor | $403 | | $104 | |
| Single loudspeakers, mounted in their enclosures | $18,123 | $1,380 | | $73,548 |
| Multiple loudspeakers, mounted in the same enclosure | | | $53,716 | $51,507 |
| Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures | $407 | | $5,188 | |
| Headphones & earphones, whether or not combined with a microphone, & sets c ... | $141 | $131 | $490 | |
| Audio-frequency elec. amplifiers | $14,444 | $2,480 | $117,478 | $174,208 |
| Electric sound amplifier sets | | $1,020 | $182,195 | $1,000 |
| Parts of the app. & equip. of 85.18 | | $317 | | $23,889 |
| Total | $33,518 | $5,328 | $359,171 | $324,152 |
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