| Brand | Unbranded |
|---|---|
| style 1 | Phase Tester |
| style 2 | Phase Meter |
| Item Type | Speaker Boxes |
| style 5 | Sequence Detector |
| style 6 | Car Accessory |
| Hign-concerned Chemical | None |
| Special Features | Speaker Tester |
| Item Weight | 102g |
| style 3 | Speaker Tester |
| style 4 | Phase Detector |
Check the listing for details. Phase Tester Audio Speaker Horn Positive Negative PolarityPH Phasemeter for Auto. Condition: New. Listed at 31.35 USD. The loudspeaker wiring specially for adjusting the car sound system, only the correct wiring, the sound can be replayed truthfully when listening to music. Use: The loudspeaker wiring specially for adjusting the car sound system, only the correct wiring, the sound can be replayed truthfully when listening to music, just have the feeling of harmonious and realistic nature.