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MK-XM909E 助听器 耳道式声音充电内置放大器 盒式助听器
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饱和声压:129dB ± 4dB
满档声增益:50dB ± 5dB
谐波失真:≤5%
频率响应:450~3500 hz
等效输入噪声:≤30 dB
标配电池:AG13钮扣电池
工作电压:D.C. 1.5V
工作电流:≤4 mA
产品尺寸:5.3x4.4x1.0 cm
净重:9 g
特殊档:无
请仔细阅读产品说明书或者在医务人员的指导下购买和使用
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