| Brand | Unbranded |
|---|---|
| Model | PC218 |
Check the listing for details. PC218 Phase Polarity Tester Checker Audio Speaker Mic Sound Phase Test Detector. Condition: New. Listed at 156.24 USD. PC218 Aluminum Alloy Shell Phase Polarity Tester Checker Audio Speaker Microphone Sound Phase Testing Detector. - Input impedance (Mic) : 1KOhm. - Input level (Mic) : 10mV - 1V. - 1 x Tester. - Aluminum Alloy Shell.