Commodity200620072008
Microphones & stands therefor$1,570$13,503$3,929
Headphones & earphones, whether or not combined with a microphone, & sets c ...$12,329$19,658$38,914
Audio-frequency elec. amplifiers$13,087$148,667$29,329
Electric sound amplifier sets$27,360$70,856$30,610
Parts of the app. & equip. of 85.18$2,934$14,770$37,017
Total$57,280$267,454$139,799