Leftwei Speaker Polarity Tester

1. [AUDIO SYSTEM SAFETY] Ensure the safety and functionality of your car audio system with this phase meter for speaker polarity testing. 2. [ACCURATE DETECTION] Detects whether speaker connections are correct for door speakers, subwoofers, and tweeters, providing reliable performance. 3. [NOISE SIGNAL TESTING] Test CD includes left and right channel noise signals for easy identification of reversed connections during speaker setup. 4. [PHASE TEST SIGNALS] Conveniently verify speaker phase using the phase meter with clear LED indicator lights for positive and negative phases. 5. [EASY WIRING ADJUSTMENT] Adjust speaker wiring with the test CD to ensure proper left and right channel connections, achieving optimal audio performance. Specification: Item Type: Speaker Polarity Tester Material: ABS Battery Type: 1 9V 6F22 dry battery (not included) Uses: It can be used as a tuning assistant, mainly used to detect whether the positive and negative poles of the speaker are connected correctly. How to Use: Ready to use with battery (not included) Test CD content: First segment: left channel noise signal Second segment: right channel noise signal The third segment: phase test signal Fourth segment: Phase test signal Adjustment of speaker wiring: After the audio system is installed, put the test CD into the main unit first, adjust thevolume output to the proper position, and then follow the steps below. Step 1: Select the first and second segments respectively, and check whether the left and right channels are reversed when connecting Step 2: Select the third or fourth paragraph. Check that the left and right channel speakers are in the correct phase. Move the front end of the phase meter close to the speaker under test, press the power switch of the phase meter, the green light flashes three times and the red light flashes once, indicating that the output of the speaker is in positive phase. The green light flashes once and the red light flashes three times, indicating that the output is in negative phase. If the phase is wrong, reverse the wiring at both ends of the speaker. Yellow light on means the phase meter battery is low and needs to be replaced. PackageList: 1 x Speaker Polarity Tester 1 x Test CD