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Speaker Polarity Tester, Detect Positive Negative Connections Speaker Phase Meter Test Subwoofer Tweeter Long Lifespan  For Car Audio System

<ul><li>Automotive Audio System: The phase polarity tester is ideal for testing and troubleshooting car audio systems for everyday use.</li><li>Function: Polarity tester can detect the correctness of the positive and negative connections of speakers, such as door speakers, subwoofers, small tweeters, etc.</li><li>Battery Indicator: The phase meter low battery indicator illuminates to indicate a low battery and is useful for testing speaker polarity.</li></ul>

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Specification: Item Type: Speaker Polarity Tester Material: ABS Battery Type: 1 9V 6F22 dry battery not included Uses: It can be used as a tuning assistant, mainly used to detect whether the positive and negative poles of the speaker are connected correctly. Package List: 1 x Speaker Polarity Tester1 x Test CD

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