for safely troubleshooting and testing audio systems.
for safely troubleshooting and testing audio systems.
This phase meter can test all speakers of all car, such as small treble, door speakers, subwoofer, etc.
Low battery light on indicates that the battery power is low.
Professional manufacturing, high reliability.Effectively used to test speaker polarity.
Quality guarantee: We provide 24-month product , please feel to us if you have any questions after received our products, we will try our best to solve your problem. You can buy it without worry.
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