🔊 Actopus Car Audio Speaker Phase Meter Polarity Tester PH Phasemeter for Enhanced SEO Review

The product does not work or was delivered with a defect. The seller offered to refund the purchase price or help me to check why it wasn't working. The seller gave me a gift card but never contacted me to help. Now I'm still sitting here with a broken item. I would suggest staying away from this article unless you want to stick with it.

This simple and inexpensive tool instantly diagnosed 3 speakers installed by a technician with the wrong phase (plus and minus). Since they were connected to the factory speaker wires, it wasn't clear where + and where -, but this unit gave the answer straight away and we can fix the connections. The instructions could have been better but with a quick web search the easy way to use this and the disc that came with it was clear. You must have a CD player to use the disc to create test sounds.

I bought this after installing new front speakers in my daughter's car. I could tell one was hooked up out of phase but wasn't sure which one as I had used the VOM to confirm positive and negative for the amplified signal and I trusted that the speaker was labeled correctly. I had no intention of swapping the wires for fear that if I swapped the wires on the wrong side the front wires would be in phase and the back wires out of phase. Yes, I was able to open both door panels and pull out both…