Car Horn Tester, Battery Powered Speaker Phase Meter for Troubleshooting Audio Systems
Specification: Condition: Brand New Material: Plastic Color: Black + Silver
Package Weight: Approx. 139g/4.9oz How to use the tester? the CD with the
package include 4 section test music. section 1: left channel noise section 2:
right channel noise section 3: phase test section 4: same as section 3 Put it
in car cd player, and play section 1 or 2, check if left/right channel
connection is right. Play section 3 or 4, the sound speaker will produce a
fixed frequency , then press test button. 3 green light flash and 1 red light
indicates that the speaker output is in positive phase correct connection); 3
red light flash and 1 green light indicates negative phase (reversed
connection). Package List: 1  Phase Meter 1  CD
 
Product Features
  

         
Fitment: This phase meter can test all speakers of all car, such as small treble, door speakers, subwoofer, etc.
         
The Main Function: for safely troubleshooting and testing audio systems. Effectively used to test speaker polarity.
         
Easy to Use: Put it in car cd player, and play section 1 or 2, check if left/right channel connection is right. Play section 3 or 4, the sound speaker will produce a fixed frequency , then press test button. 3 green light flash and 1 red light indicates that the speaker output is in positive phase correct connection; 3 red light flash and 1 green light indicates negative phase.
         
Note: Low battery light on indicates that the battery power is low.
         
Service Guarantee: If the product is not suitable, it can be replaced of within 3 months.If you have any dissatisfaction, please us.