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| 图片 | 型号 | 价格 | 数量 | 库存 | 制造商 | 描述 | Type | Series | Packaging | Technology | Impedance | Frequency Range | Shape | Termination | Part Status | Factory Stock | Minimum Quantity | Size / Dimension | Height - Seated (Max) | Port Location | Ingress Protection | Frequency - Self Resonant | Efficiency - dBA | Efficiency - Testing | Efficiency - Type | |
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查看 | Knowles | SPEAKER 21OHM ROUND | Receiver, Balanced Armature | MR | Bulk | Magnetic | 21 Ohms | 300Hz ~ 3.5kHz | Round | Wire Leads | Obsolete | 0 | 17 | 0.871" Dia (22.12mm) | 0.366" (9.30mm) | Top | Waterproof | 300Hz | 103 | - | Sensitivity |
