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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Microphones & stands therefor | $493 | $6,166 | | $2,434 | $454 |
| Single loudspeakers, mounted in their enclosures | $1,608 | | $148 | | |
| Multiple loudspeakers, mounted in the same enclosure | | $2,252 | | | |
| Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures | $2,474 | | | | $2,000 |
| Headphones & earphones, whether or not combined with a microphone, & sets c ... | | $337 | $2,570 | $3,514 | |
| Audio-frequency elec. amplifiers | | $1,033 | | | |
| Electric sound amplifier sets | $4,696 | $2,627 | $2,222 | $1,159 | $3,093 |
| Total | $9,271 | $12,415 | $4,940 | $7,107 | $5,547 |
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