Black Speaker Polarity Tester PH Phase Meter Phasemeter without CD for Car

SKU: AT-NZ5IV6WDR
Regular price $16.78
Vehicle fitment & details
  • Vendor Unbranded
  • SKU AT-NZ5IV6WDR

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Perfect 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.
3 green light flash and 1 red light indicates that the speaker output is in positive phase (correct connection) ; 3 red light flash and 1 green light indicates negative phase (reversed connection).
low battery light on indicates that the battery power is low.
Note: Battery is not included in our package.