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小型扬声器
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扬声器, 20X40MM, 4Ω, 2W, 纸芯
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扬声器, 8Ω, 2W, 带引线连接器
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耳机, 教学用
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SPEAKER, 8OHM, 93DB, 1W
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SPEAKER, 8OHM, 93DB, 0.7W
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扬声器, 2W, 20KHZ, 8Ω
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SPEAKER, 8OHM, 89DB, 0.5W
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SPEAKER, 50MM DIA, 8OHM, 1W