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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 |
| Microphones & stands therefor | $376 | $1,884 | $1,911 | | $110 |
| Single loudspeakers, mounted in their enclosures | $273 | | $819 | $1,405 | $1,207 |
| Multiple loudspeakers, mounted in the same enclosure | | $289 | $2,457 | $340 | $1,995 |
| Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures | $123 | $1,242 | $1,089 | | $56 |
| Headphones & earphones, whether or not combined with a microphone, & sets c ... | $2,308 | | | $333 | |
| Audio-frequency elec. amplifiers | | | | | $1,395 |
| Electric sound amplifier sets | | | $1,092 | $9,320 | $1,678 |
| Total | $3,080 | $3,415 | $7,368 | $11,398 | $6,441 |
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