AUTUT Automotive Plastic Shell Speaker Polarity Tester Phasemeter

Product Description

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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
All of our product are Fulfilled by Amazon ensures accurate and fast delivery.
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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