Product Information
- Professional manufacturing, high reliability. 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.
- Low battery light on indicates that the battery power is low. Effectively used to test speaker polarity.
- 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).
- 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.
