NTPHASE Phase Tester for Speakers

Features

Polarity/Phase Tester utilizes state of the art signal processing to accurately determine absolute polarity, which is unimpaired by passive crossovers or signal waveform distortions produced by the device under test

It works with tweeters, midranges, and woofers, subwoofer speakers and cabinets, plus equalizers, amplifiers, and crossovers

With this instrument, an entire speaker system can be checked in only seconds.