AUTUT Automotive Plastic Sheel Speaker Polarity Tester Phasemeter

Product Description

Product Specification
Material: Plastic
Color: Black
Dimension (L*W*H): 10.5 x 7 x 2.5cm/ 4.1 x 2.8 x 1.0 inches
Powered By: 1 x 9V 6F22 Battery (not included)
Package Content: 1 x PH Phase Meter + 1 x CD

There are 4 section test music in the CD.
Section 1: left channel noise signal
Section 2: right channel noise signal
Section 3: phase test signal
Section 4: same as section 3

How to use the tester?
Put it in car cd player, and play section 1 or 2, check if left/right channel connection is right.
Play section 3 or 4, the sound speaker will produce a fixed frequency signal, then press 'test' button.
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).

Warm Tips
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If you have any problems about usage or any defective issues, please feel free to contact us. We will try out best to make things right.


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