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| Commodity | 2005 | 2006 | 2007 | 2008 |
| Microphones & stands therefor | $20,618 | $65,790 | $55,975 | $37,881 |
| Single loudspeakers, mounted in their enclosures | $102,557 | $167,859 | $187,214 | $124,012 |
| Multiple loudspeakers, mounted in the same enclosure | $108,192 | $126,011 | $81,724 | $71,744 |
| Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures | $103,294 | $320,632 | $124,808 | $119,871 |
| Headphones & earphones, whether or not combined with a microphone, & sets c ... | $63,177 | $53,166 | $86,079 | $74,701 |
| Audio-frequency elec. amplifiers | $150,163 | $172,140 | $224,491 | $124,285 |
| Electric sound amplifier sets | $74,197 | $39,978 | $37,372 | $64,177 |
| Parts of the app. & equip. of 85.18 | $15,540 | $25,158 | $43,496 | $20,678 |
| Total | $637,738 | $970,734 | $841,159 | $637,349 |
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