|
| Commodity | 2005 | 2009 |
| Microphones & stands therefor | $1,031 | $2,518 |
| Single loudspeakers, mounted in their enclosures | $6,322 | $74 |
| Multiple loudspeakers, mounted in the same enclosure | $2,495 | $14,175 |
| Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures | $3,338 | $10,812 |
| Headphones & earphones, whether or not combined with a microphone, & sets c ... | $387 | $2,609 |
| Audio-frequency elec. amplifiers | $5,038 | $4,006 |
| Electric sound amplifier sets | $27,909 | $3,215 |
| Parts of the app. & equip. of 85.18 | $1,077 | $707 |
| Total | $47,597 | $38,116 |
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