|
| Commodity | 2009 | 2010 | 2011 |
| Microphones & stands therefor | $15,198 | $1,626 | $91 |
| Single loudspeakers, mounted in their enclosures | | $159 | |
| Multiple loudspeakers, mounted in the same enclosure | | | $618 |
| Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures | $837 | $519 | $4,066 |
| Headphones & earphones, whether or not combined with a microphone, & sets c ... | $98 | $1,166 | $3,427 |
| Audio-frequency elec. amplifiers | | | $10,707 |
| Electric sound amplifier sets | $2,794 | $16,221 | $112 |
| Parts of the app. & equip. of 85.18 | | | $85 |
| Total | $18,927 | $19,691 | $19,106 |
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