Studio Six Digital sort Speaker Polarity v3.4
iPhone, iPad / Outils / Analyse: This app is a speaker polarity tester. Find out if your speakers are wired correctly (in phase or out of phase). Test your surround speakers, stereo speakers, PA speakers, in fact any speaker with wiring terminals on the back. This speaker polarity tester was...
www.440audio.com/fr/software/vi1440-Studio-Six-Digital-Speaker-Polarity/