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Definition: Impedance is the amount of resistance to the flow of electricity through an electronic device and is measured in ohms. All devices, such as speakers, have some level of electrical impedance. Most speakers have electrical resistance that ranges from 4 to 8 ohms.
Pronunciation: im•pee´•dance
Also Known As: ohms
A speaker is measured by the amount of electrical resistance or impedance in its voice coil

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