Commodity200520062007200820092010
Microphones & stands therefor$23,457,829$20,644,378$32,808,392$27,752,952$21,439,731$29,402,210
Single loudspeakers, mounted in their enclosures$29,006,261$32,013,291$38,309,190$27,315,750$24,179,730$26,751,706
Multiple loudspeakers, mounted in the same enclosure$55,522,993$75,006,623$93,416,223$80,121,720$57,617,957$71,455,240
Loudspeakers n.e.s. in 85.18, whether or not mounted in their enclosures$75,465,211$65,393,420$51,774,987$59,729,085$27,804,625$28,236,589
Headphones & earphones, whether or not combined with a microphone, & sets c ...$70,479,025$70,567,166$75,506,202$67,996,368$63,279,593$69,732,907
Audio-frequency elec. amplifiers$23,988,186$21,605,099$25,965,729$21,692,833$15,761,226$18,188,127
Electric sound amplifier sets$21,711,128$20,466,552$23,696,058$22,418,413$14,531,270$13,246,703
Parts of the app. & equip. of 85.18$32,758,092$36,000,325$46,846,705$32,691,216$16,658,445$23,065,262
Total$332,388,725$341,696,854$388,323,486$339,718,337$241,272,577$280,078,744