Polarity Checker Detector Speaker Microphone

About This Item

• PC218 is an advanced professional and sophisticated sound engineering installation and commissioning testing instrument,which is the best small test instrument for audio test project,It can accurately test out a variety of phase differences of audio sound field system
• This instrument can bring simple and convenient, saving time, saving effort, efficiency to sound engineering installation and commissioning
• When there are two or more speakers in one system,you need to make sure that the same of very operational direction of the speaker cone speakers,which is very important
• The instrument uses a 9V battery, replace the battery is simple and easy to use,carry and operate.and can be used for the phase accuracy test of any Sound System
• Particularly suited to the testing of popular public radio sound system,Professional audio combined system,Line array sound system,Line source frets sound system,HIFI stereo systems, car audio systems, home theater and some combined sound occasion